Method and device used in UE and base station for wireless communication

ABSTRACT

The present disclosure provides method and device used in UE and base station for wireless communication. A UE receives a first signaling and then operates N radio signals respectively in N time-frequency resource blocks. The first signaling indicates N1 time-frequency resource blocks; the N1 time-frequency resource blocks respectively belong to N1 frequency sub-bands in frequency domain; any of the N time-frequency resource blocks is one of the N1 time-frequency resource blocks, N being a positive integer greater than 1 and no greater than N1; the N radio signals respectively comprise N first-type reference signals, and an antenna port for transmitting each of the N first-type reference signals is associated with a first antenna port.

CROSS REFERENCE TO RELATED APPLICATIONS

This application is a continuation of International Application No.PCT/CN2020/081012, filed Mar. 25, 2020, claims the priority benefit ofChinese Patent Application No. 201910288780.7, filed on Apr. 11, 2019,the full disclosure of which is incorporated herein by reference.

BACKGROUND Technical Field

The present disclosure relates to transmission methods and devices inwireless communication systems, and in particular to a communicationmethod and device that support data transmission on Unlicensed Spectrum.

Related Art

Unlicensed Spectrum communications is introduced into cellular systemsby the 3^(rd) Generation Partner Project (3GPP) Long-term Evolution(LTE) Release 13 and Release 14. To ensure compatibility with otheraccess technologies on Unlicensed Spectrum, the technique of ListenBefore Talk (LBT) is adopted by Licensed Assisted Access (LAA) of LTE toavoid interferences caused by multiple transmitters occupying the samefrequency resources simultaneously. LBT in an LTE system is wideband,which means that the LBT's bandwidth is the same as that of a ComponentCarrier (CC). In a system at Phase 1 of 5G New Radio (NR) AccessTechnology, the concept of Bandwidth Part (BWP) is introduced in a CC toprovide better support to various pieces of User Equipment (UEs) withdifferent reception bandwidth and transmission bandwidth capabilities.When a UE with larger bandwidth is in communication with a cell, the UEis allowed to perform downlink reception or uplink transmission on a BWPwith larger bandwidth. As discussions about access technologies onUnlicensed Spectrum are still in progress in NR Release 16, the adoptionof Subband LBT has been approved. Bandwidth of the Subband LBT is anintegral multiple of 20 MHz, which is equal to or smaller than that ofthe BWP.

Reference Signal remains an essential means of ensuring communicationquality in a wireless communication system. In a high-frequency band,the phase noise will cause a non-negligible impact on the performance ofchannel estimation. In NR R15, a Phase-Tracking Reference Signal (PTRS)is used by a receiving end for phase-tracking, employing phasecompensation in channel estimation to improve the precision of channelestimation.

SUMMARY

Inventors find through researches that compared with wideband LBT in theLTE system, the chance of channel access will get higher when employingSubband LBT in an NR system, but there will be uncertainty of resourcesactually occupied, in such a case, how to design PTRS becomes a keyissue to be considered.

To address the above problem, the present disclosure provides asolution. It should be noted that the embodiments of the presentdisclosure and the characteristics in the embodiments may be mutuallycombined if no conflict is incurred.

The present disclosure provides a method in a UE for wirelesscommunications, comprising:

receiving a first signaling, the first signaling indicating N1time-frequency resource blocks; and

operating N radio signals respectively in N time-frequency resourceblocks;

herein, the N1 time-frequency resource blocks respectively belong to N1frequency sub-bands in frequency domain, any two frequency sub-bands ofthe N1 frequency sub-bands being orthogonal, N1 being a positive integergreater than 1; any time-frequency resource block of the Ntime-frequency resource blocks is one of the N1 time-frequency resourceblocks, N being a positive integer greater than 1 and no greater thanthe N1; the N radio signals respectively comprise N first-type referencesignals, and an antenna port for transmitting each of the N first-typereference signals is associated with a first antenna port; a firsttarget signal is any first-type reference signal of the N first-typereference signals, and frequency density of the first target signal isrelated to only a target time-frequency resource block of the N1time-frequency resource blocks, the target time-frequency resource blockbeing one of the N1 time-frequency resource blocks; the operating actionis transmitting, or, the operating action is receiving.

In one embodiment, a problem to be solved in the present disclosure isthat the PTRS design under a Subband LBT is a key issue that needs to bestudied.

In one embodiment, a problem to be solved in the present disclosure isthat: in the present NR Standard, a scheduled bandwidth of a PDSCH/PUSCHis used to determine frequency density of a PTRS, the smaller thescheduled bandwidth is, the lower frequency density of the PTRS willlikely be (that is, more densely distributed frequency-domains), and, inthe case of wideband LBT, a bandwidth actually occupied is as large as ascheduled bandwidth; however, in the case of Subband LBT, when aPDSCH/PUSCH's scheduled time-frequency resources comprise time-frequencyresources on more than one subband, due to uncertainty of channeloccupancy, an actually occupied bandwidth is probably smaller than ascheduled bandwidth, then it is undoubtedly necessary to rethink how todetermine the frequency density of PTRS under Subband LBT.

In one embodiment, the essence of the above method lies in that N1time-frequency resource blocks are time-frequency resources scheduled toa PDSCH/PUSCH, and N1 frequency sub-bands are N1 sub-bands, of whichonly N sub-bands are idle, therefore, the PDSCH/PUSCH is transmittedonly in N time-frequency resource blocks of the N1 time-frequencyresource blocks, N first-type reference signals respectively being PTRSsin the N time-frequency resource blocks; frequency density of a PTRS ina time-frequency resource block is related to only one of the N1time-frequency resource blocks. The above method is advantageous in thatthe proposed method of determining frequency density of PTRS isirrelevant to either the actually occupied bandwidth or the Subband LBT,so that a transceiver interprets the PTRS' frequency density in the sameway no matter how varied Subband LBT results are, thereby guaranteeingthe PDSCH/PUSCH's transmission reliability.

According to one aspect of the present disclosure, the above method ischaracterized in that the N radio signals respectively comprise NDemodulation Reference Signals (DMRSs), antenna ports for transmittingthe N first-type reference signals are the same, and antenna ports fortransmitting the N DMRSs are the same, the first antenna port being oneantenna port for transmitting the N DMRSs.

According to one aspect of the present disclosure, the above method ischaracterized in comprising:

receiving first information;

herein, the first information is used to determine M frequencysub-bands, any frequency sub-band of the N1 frequency sub-bands beingone of the M frequency sub-bands; M is a positive integer no less thanthe N1.

According to one aspect of the present disclosure, the above method ischaracterized in that the target time-frequency resource block is one ofthe N time-frequency resource blocks that comprises time-frequencyresources occupied by the first target signal, or, the targettime-frequency resource block is one of the N1 time-frequency resourceblocks that is of a minimum bandwidth.

In one embodiment, the essence of the above method lies in thatfrequency density of a PTRS in a time-frequency resource block is onlyrelated to a time-frequency resource block to which the PTRS belongs.The above method is advantageous in ensuring the accuracy ofphase-tracking of PTRSs under various sub-band LBT results andtransmission reliability of a PDSCH/PUSCH.

In one embodiment, the essence of the above method lies in thatfrequency density of a PTRS in a time-frequency resource block is onlyrelated to one of N1 time-frequency resource blocks of a minimumbandwidth, therefore, PTRSs in N time-frequency resource blocks are ofequal frequency density.

According to one aspect of the present disclosure, the above method ischaracterized in comprising:

receiving second information;

herein, the second information indicates Q1 threshold(s), the Q1threshold(s) being used to determine Q value sets; the Q value setsrespectively correspond to Q frequency densities, Q1 being a positiveinteger, and Q being a positive integer greater than 1; a bandwidth ofthe target time-frequency resource block is used to determine thefrequency density of the first target signal out of the Q frequencydensities, and the bandwidth of the target time-frequency resource blockbelongs to only one value set of the Q value sets.

According to one aspect of the present disclosure, the above method ischaracterized in that any of the N1 time-frequency resource blockscomprises a positive integer number of time-frequency resource unit(s),and any two time-frequency resource units of the N1 time-frequencyresource blocks are orthogonal in frequency domain; a firsttime-frequency resource block is one of the N time-frequency resourceblocks that comprises time-frequency resources occupied by the firsttarget signal, and the first time-frequency resource block comprises M1time-frequency resource unit(s), and the time-frequency resourcesoccupied by the first target signal belong to only M2 time-frequencyresource unit(s) of the M1 time-frequency resource unit(s); a number ofthe time-frequency resource unit(s) comprised by the targettime-frequency resource block and the frequency density of the firsttarget signal are used to determine the M2 time-frequency resourceunit(s) out of the M1 time-frequency resource unit(s); M1 is a positiveinteger, and M2 is a positive integer no greater than the M1.

In one embodiment, the essence of the above method lies in thatfrequency-domain distributions of PTRSs in N time-frequency resourceblocks are independently determined.

According to one aspect of the present disclosure, the above method ischaracterized in that any of the N1 time-frequency resource blockscomprises a positive integer number of time-frequency resource unit(s),and any two time-frequency resource units of the N1 time-frequencyresource blocks are orthogonal in frequency domain; the N is greaterthan 1, a second time-frequency resource block and a thirdtime-frequency resource block are any two time-frequency resource blocksof the N time-frequency resource blocks that are adjacent in frequencydomain, the third time-frequency resource block being of a higherfrequency than the second time-frequency resource block, and a secondtarget signal and a third target signal are two first-type referencesignals of the N first-type reference signals that are respectivelytransmitted in the second time-frequency resource block and the thirdtime-frequency resource block; the second time-frequency resource blockcomprises S1 time-frequency resource units, while the time-frequencyresources occupied by the second target signal belong to only S2time-frequency resource units of the S1 time-frequency resource units;the third time-frequency resource block comprises T1 time-frequencyresource unit(s), while the time-frequency resource block occupied bythe third target signal belongs to only T2 time-frequency resourceunit(s) of the T1 time-frequency resource unit(s); one of the S2time-frequency resource units of a highest frequency and frequencydensity of the third target signal are used to determine the T2time-frequency resource unit(s) out of the T1 time-frequency resourceunit(s).

In one embodiment, the essence of the above method lies in thatfrequency-domain distributions of PTRSs comprised in N time-frequencyresource blocks are not independently determined, which means thatfrequency-domain distribution of a PTRS in a time-frequency resourceblock is likely to be associated with that of a PTRS in anothertime-frequency resource block.

According to one aspect of the present disclosure, the above method ischaracterized in comprising:

performing a target access detection on a first frequency band, or,performing N1 first-type access detections respectively on the N1frequency sub-bands;

herein, the operating action is transmitting; the first frequency bandcomprises the N1 frequency sub-bands, the target access detection isused to determine that the N radio signals are respectively transmittedin the N time-frequency resource blocks, and the N1 first-type accessdetections are used to determine that the N radio signals arerespectively transmitted in the N time-frequency resource blocks.

In one embodiment, the essence of the above method lies in that a targetaccess detection is wideband LBT, and N1 first-type access detectionsare respectively sub-band LBTs for N1 frequency sub-bands.

The present disclosure provides a method in a base station for wirelesscommunications, comprising:

transmitting a first signaling, the first signaling indicating N1time-frequency resource blocks; and

processing N radio signals respectively in N time-frequency resourceblocks;

herein, the N1 time-frequency resource blocks respectively belong to N1frequency sub-bands in frequency domain, any two frequency sub-bands ofthe N1 frequency sub-bands being orthogonal, N1 being a positive integergreater than 1; any time-frequency resource block of the Ntime-frequency resource blocks is one of the N1 time-frequency resourceblocks, N being a positive integer greater than 1 and no greater thanthe N1; the N radio signals respectively comprise N first-type referencesignals, and an antenna port for transmitting each of the N first-typereference signals is associated with a first antenna port; a firsttarget signal is any first-type reference signal of the N first-typereference signals, and frequency density of the first target signal isrelated to only a target time-frequency resource block of the N1time-frequency resource blocks, the target time-frequency resource blockbeing one of the N1 time-frequency resource blocks; the processingaction is receiving, or, the processing action is transmitting.

According to one aspect of the present disclosure, the above method ischaracterized in that the N radio signals respectively comprise NDemodulation Reference Signals (DMRSs), antenna ports for transmittingthe N first-type reference signals are the same, and antenna ports fortransmitting the N DMRSs are the same, the first antenna port being oneantenna port for transmitting the N DMRSs.

According to one aspect of the present disclosure, the above method ischaracterized in comprising:

transmitting first information;

herein, the first information is used to determine M frequencysub-bands, any frequency sub-band of the N1 frequency sub-bands beingone of the M frequency sub-bands; M is a positive integer no less thanthe N1.

According to one aspect of the present disclosure, the above method ischaracterized in that the target time-frequency resource block is one ofthe N time-frequency resource blocks that comprises time-frequencyresources occupied by the first target signal, or, the targettime-frequency resource block is one of the N1 time-frequency resourceblocks that is of a minimum bandwidth.

According to one aspect of the present disclosure, the above method ischaracterized in comprising:

transmitting second information;

herein, the second information indicates Q1 threshold(s), the Q1threshold(s) being used to determine Q value sets; the Q value setsrespectively correspond to Q frequency densities, Q1 being a positiveinteger, and Q being a positive integer greater than 1; a bandwidth ofthe target time-frequency resource block is used to determine thefrequency density of the first target signal out of the Q frequencydensities, and the bandwidth of the target time-frequency resource blockbelongs to only one value set of the Q value sets.

According to one aspect of the present disclosure, the above method ischaracterized in that any of the N1 time-frequency resource blockscomprises a positive integer number of time-frequency resource unit(s),and any two time-frequency resource units of the N1 time-frequencyresource blocks are orthogonal in frequency domain; a firsttime-frequency resource block is one of the N time-frequency resourceblocks that comprises time-frequency resources occupied by the firsttarget signal, and the first time-frequency resource block comprises M1time-frequency resource unit(s), and the time-frequency resourcesoccupied by the first target signal belong to only M2 time-frequencyresource unit(s) of the M1 time-frequency resource unit(s); a number ofthe time-frequency resource unit(s) comprised by the targettime-frequency resource block and the frequency density of the firsttarget signal are used to determine the M2 time-frequency resourceunit(s) out of the M1 time-frequency resource unit(s); M1 is a positiveinteger, and M2 is a positive integer no greater than the M1.

According to one aspect of the present disclosure, the above method ischaracterized in that any of the N1 time-frequency resource blockscomprises a positive integer number of time-frequency resource unit(s),and any two time-frequency resource units of the N1 time-frequencyresource blocks are orthogonal in frequency domain; the N is greaterthan 1, a second time-frequency resource block and a thirdtime-frequency resource block are any two time-frequency resource blocksof the N time-frequency resource blocks that are adjacent in frequencydomain, the third time-frequency resource block being of a higherfrequency than the second time-frequency resource block, and a secondtarget signal and a third target signal are two first-type referencesignals of the N first-type reference signals that are respectivelytransmitted in the second time-frequency resource block and the thirdtime-frequency resource block; the second time-frequency resource blockcomprises S1 time-frequency resource units, while the time-frequencyresources occupied by the second target signal belong to only S2time-frequency resource units of the S1 time-frequency resource units;the third time-frequency resource block comprises T1 time-frequencyresource unit(s), while the time-frequency resource block occupied bythe third target signal belongs to only T2 time-frequency resourceunit(s) of the T1 time-frequency resource unit(s); one of the S2time-frequency resource units of a highest frequency and frequencydensity of the third target signal are used to determine the T2time-frequency resource unit(s) out of the T1 time-frequency resourceunit(s).

According to one aspect of the present disclosure, the above method ischaracterized in comprising:

performing N1 second-type access detections respectively on the N1frequency sub-bands;

herein, the processing action is transmitting, and the N1 second-typeaccess detections are used to determine that the N radio signals arerespectively transmitted in the N time-frequency resource blocks.

The present disclosure provides a UE for wireless communications,comprising:

a first receiver, which receives a first signaling, the first signalingindicating N1 time-frequency resource blocks; and

a first transceiver, which operates N radio signals respectively in Ntime-frequency resource blocks;

herein, the N1 time-frequency resource blocks respectively belong to N1frequency sub-bands in frequency domain, any two frequency sub-bands ofthe N1 frequency sub-bands being orthogonal, N1 being a positive integergreater than 1; any time-frequency resource block of the Ntime-frequency resource blocks is one of the N1 time-frequency resourceblocks, N being a positive integer greater than 1 and no greater thanthe N1; the N radio signals respectively comprise N first-type referencesignals, and an antenna port for transmitting each of the N first-typereference signals is associated with a first antenna port; a firsttarget signal is any first-type reference signal of the N first-typereference signals, and frequency density of the first target signal isrelated to only a target time-frequency resource block of the N1time-frequency resource blocks, the target time-frequency resource blockbeing one of the N1 time-frequency resource blocks; the operating actionis transmitting, or, the operating action is receiving.

The present disclosure provides a base station for wirelesscommunications, comprising:

a second transmitter, which transmits a first signaling, the firstsignaling indicating N1 time-frequency resource blocks; and

a second transceiver, which processes N radio signals respectively in Ntime-frequency resource blocks;

herein, the N1 time-frequency resource blocks respectively belong to N1frequency sub-bands in frequency domain, any two frequency sub-bands ofthe N1 frequency sub-bands being orthogonal, N1 being a positive integergreater than 1; any time-frequency resource block of the Ntime-frequency resource blocks is one of the N1 time-frequency resourceblocks, N being a positive integer greater than 1 and no greater thanthe N1; the N radio signals respectively comprise N first-type referencesignals, and an antenna port for transmitting each of the N first-typereference signals is associated with a first antenna port; a firsttarget signal is any first-type reference signal of the N first-typereference signals, and frequency density of the first target signal isrelated to only a target time-frequency resource block of the N1time-frequency resource blocks, the target time-frequency resource blockbeing one of the N1 time-frequency resource blocks; the processingaction is receiving, or, the processing action is transmitting.

In one embodiment, the present disclosure is advantageous over prior artin the following aspects:

According to the present NR Standard, a PDSCH/PUSCH's scheduledbandwidth is used to determine frequency density of a PTRS. The smallerthe scheduled bandwidth is, the lower the PTRS' frequency density willlikely be, that is, more concentrated frequency-domain distribution.When wideband LBT is employed, the bandwidth actually occupied is equalto the scheduled bandwidth; but when employing Subband LBT, under whichscheduled time-frequency resources of a PDSCH/PUSCH comprisetime-frequency resources on multiple sub-bands, since channel occupancyis unclear, the actually occupied bandwidth is potentially smaller thanthe scheduled bandwidth, in this regard, the method of determination onPTRS frequency density put forward will be applicable to the occasion ofSubband LBT.

The method of determining PTRS frequency density provided in the presentdisclosure is unrelated to actually occupied bandwidth or the result ofSubband LBT, so that a transceiver's understanding of the PTRS frequencydensity stays the same under various Subband LBT results, thus ensuringtransmission reliability of a PDSCH/PUSCH.

In the method proposed above, the frequency density of a PTRS in atime-frequency resource block is only related to time-frequency resourceblock that the PTRS belongs to; or, the frequency density of a PTRS in atime-frequency resource block is only related to one of N1time-frequency resource blocks that is of a smallest bandwidth, whenPTRSs comprised in N time-frequency resource blocks are of equalfrequency density, thereby guaranteeing the accuracy of Phase-trackingof PTRS and PDSCH/PUSCH transmission reliability.

BRIEF DESCRIPTION OF THE DRAWINGS

Other features, objects and advantages of the present disclosure willbecome more apparent from the detailed description of non-restrictiveembodiments taken in conjunction with the following drawings:

FIG. 1 illustrates a flowchart of a first signaling and N radio signalsaccording to one embodiment of the present disclosure.

FIG. 2 illustrates a schematic diagram of a network architectureaccording to one embodiment of the present disclosure.

FIG. 3 illustrates a schematic diagram of a radio protocol architectureof a user plane and a control plane according to one embodiment of thepresent disclosure.

FIG. 4 illustrates a schematic diagram of a New Radio (NR) node and a UEaccording to one embodiment of the present disclosure.

FIG. 5 illustrates a flowchart of wireless transmission according to oneembodiment of the present disclosure.

FIG. 6 illustrates a schematic diagram of a first antenna port accordingto one embodiment of the present disclosure.

FIG. 7A-FIG. 7B respectively illustrate a schematic diagram of a targettime-frequency resource block according to one embodiment of the presentdisclosure.

FIG. 8 illustrates a schematic diagram of Q1 threshold(s) being used todetermine Q value sets according to one embodiment of the presentdisclosure.

FIG. 9 illustrates a schematic diagram of a relation between frequencydensity of a first target signal and a target time-frequency resourceblock according to one embodiment of the present disclosure.

FIG. 10 illustrates a schematic diagram of determining time-frequencyresources occupied by N first-type reference signals according to oneembodiment of the present disclosure.

FIG. 11 illustrates a schematic diagram of determining time-frequencyresources occupied by N first-type reference signals according toanother embodiment of the present disclosure.

FIG. 12 illustrates a schematic diagram of determining time-frequencyresources occupied by N first-type reference signals according toanother embodiment of the present disclosure.

FIG. 13 illustrates a schematic diagram of a given number and a givenfrequency density being used to determine Z2 time-frequency resourceunit(s) out of Z1 time-frequency resource units according to oneembodiment of the present disclosure.

FIG. 14 illustrates a schematic diagram of a given access detectionbeing used to determine whether to transmit a radio signal in a giventime-frequency resource in a given frequency sub-band according to oneembodiment of the present disclosure.

FIG. 15 illustrates a schematic diagram of a given access detectionbeing used to determine whether to transmit a radio signal in a giventime-frequency resource in a given frequency sub-band according toanother embodiment of the present disclosure.

FIG. 16 illustrates a structure block diagram of a processing device ina UE according to one embodiment of the present disclosure.

FIG. 17 illustrates a structure block diagram of a processing device ina base station according to one embodiment of the present disclosure.

DESCRIPTION OF THE EMBODIMENTS

The technical scheme of the present disclosure is described below infurther details in conjunction with the drawings. It should be notedthat the embodiments of the present disclosure and the characteristicsof the embodiments may be arbitrarily combined if no conflict is caused.

Embodiment 1

Embodiment 1 illustrates a flowchart of a first signaling and N radiosignals, as shown in FIG. 1. In Step 100 in FIG. 1, each box representsa step. Particularly, the sequence order of steps marked by these boxesdo not necessarily represent a chronological order of characteristics ofeach step.

In Embodiment 1, the UE in the present disclosure receives a firstsignaling in step 101, the first signaling indicating N1 time-frequencyresource blocks; and operates N radio signals respectively in Ntime-frequency resource blocks; herein, the N1 time-frequency resourceblocks respectively belong to N1 frequency sub-bands in frequencydomain, any two frequency sub-bands of the N1 frequency sub-bands beingorthogonal, N1 being a positive integer greater than 1; anytime-frequency resource block of the N time-frequency resource blocks isone of the N1 time-frequency resource blocks, N being a positive integergreater than 1 and no greater than the N1; the N radio signalsrespectively comprise N first-type reference signals, and an antennaport for transmitting each of the N first-type reference signals isassociated with a first antenna port; a first target signal is anyfirst-type reference signal of the N first-type reference signals, andfrequency density of the first target signal is related to only a targettime-frequency resource block of the N1 time-frequency resource blocks,the target time-frequency resource block being one of the N1time-frequency resource blocks; the operating action is transmitting,or, the operating action is receiving.

In one embodiment, the first signaling is dynamically configured.

In one embodiment, the first signaling is a physical-layer signaling.

In one embodiment, the first signaling is a Downlink Control Information(DCI) signaling.

In one embodiment, the first signaling is an UpLink Grant DCI signaling,the operating action being transmitting.

In one embodiment, the first signaling is a DownLink Grant DCIsignaling, the operating action being receiving.

In one embodiment, the first signaling is transmitted on a downlinkphysical layer control channel (i.e., a downlink channel only capable ofcarrying a physical-layer signaling).

In one embodiment, the downlink physical layer control channel is aPhysical Downlink Control CHannel (PDCCH).

In one embodiment, the downlink physical layer control channel is ashort PDCCH (sPDCCH).

In one embodiment, the downlink physical layer control channel is aNarrowband PDCCH (NPDCCH).

In one embodiment, the operating action is receiving, and the firstsignaling is DCI format 1_0.

In one embodiment, the operating action is receiving, and the firstsignaling is DCI format 1_1.

In one embodiment, the operating action is transmitting, and the firstsignaling is DCI format 0_0.

In one embodiment, the operating action is transmitting, and the firstsignaling is DCI format 0_1.

In one embodiment, the N1 frequency sub-bands are pre-defined.

In one embodiment, the N1 frequency sub-bands are configurable.

In one embodiment, any of the N1 frequency sub-bands comprisesconsecutive frequency-domain resources.

In one embodiment, any of the N1 frequency sub-bands comprises apositive integer number of consecutive subcarriers.

In one embodiment, any of the N1 frequency sub-bands is of a bandwidthof a positive integral multiple of 20 MHz.

In one embodiment, any two frequency sub-bands of the N1 frequencysub-bands are of equal bandwidth.

In one embodiment, any of the N1 frequency sub-bands is of a bandwidthof 20 MHz.

In one embodiment, any of the N1 frequency sub-bands is of a bandwidthof 1 GHz.

In one embodiment, any of the N1 frequency sub-bands is of a bandwidthof a positive integral multiple of 1 GHz.

In one embodiment, the N1 frequency sub-bands belong to a same carrier.

In one embodiment, the N1 frequency sub-bands belong to a same BandwidthPart (BWP).

In one embodiment, the N1 frequency sub-bands are N1 sub-bandsrespectively.

In one embodiment, the N1 frequency sub-bands are deployed at UnlicensedSpectrum.

In one embodiment, frequency-domain resources respectively comprised byany two frequency sub-bands of the N1 frequency sub-bands are orthogonal(that is, non-overlapping).

In one embodiment, any subcarrier in any given frequency sub-band of theN1 frequency sub-bands does not belong to any of the N1 frequencysub-bands other than the given frequency sub-band.

In one embodiment, a first given frequency sub-band and a second givenfrequency sub-band are any two frequency sub-bands of the N1 frequencysub-bands, there isn't any subcarrier in the first given frequencysub-band that has a frequency higher than a subcarrier of a lowestfrequency in the second given frequency sub-band and lower than asubcarrier of a highest frequency in the second given frequencysub-band.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of Resource Element(s) (RE).

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of Resource Block(s) (RB) infrequency domain.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of RBs evenly distributed infrequency domain.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of subcarrier(s) in frequencydomain.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of subcarriers evenly distributed infrequency domain.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of Resource Block Group(s) (RBG) infrequency domain.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of multicarrier symbol(s) in timedomain.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of consecutive multicarrier symbolsin time domain.

In one embodiment, any two time-frequency resource blocks of the N1time-frequency resource blocks comprise (a) same multicarrier symbol(s)in time domain.

In one embodiment, the multicarrier symbol is an Orthogonal FrequencyDivision Multiplexing (OFDM) symbol.

In one embodiment, the multicarrier symbol is a Single Carrier-FrequencyDivision Multiple Access (SC-FDMA) symbol.

In one embodiment, the multicarrier symbol is a Discrete FourierTransform Spread OFDM (DFT-S-OFDM) symbol.

In one embodiment, the multicarrier symbol is a Filter Bank MultiCarrier (FBMC) symbol.

In one embodiment, the multicarrier symbol comprises Cyclic Prefix (CP).

In one embodiment, the N radio signals also comprise N sub-signalsrespectively, the N sub-signals carrying a first bit block.

In one subembodiment, the N1 time-frequency resource blocks are reservedfor the first bit block, and only the N time-frequency resource blocksof the N1 time-frequency resource blocks are used to transmit the firstbit block.

In one subembodiment, the first bit block comprises a positive integernumber of bit(s).

In one subembodiment, the first bit block comprises a Transport Block(TB).

In one subembodiment, the N sub-signals are transmitted on a downlinkphysical layer data channel (i.e., a downlink channel capable ofcarrying physical layer data).

In one subembodiment, the N sub-signals each comprise data.

In one subembodiment, the first bit block is used to generate the Nsub-signals.

In one subembodiment, the N sub-signals comprise a transmission of thefirst bit block.

In one subembodiment, the N sub-signals respectively comprise Ntransmissions of the first bit block.

In one subembodiment, the N sub-signals are obtained by the first bitblock sequentially through CRC Insertion, Channel Coding, Rate Matching,Scrambling, Modulation, and Layer Mapping, Precoding, Mapping toResource Element, OFDM Baseband Signal Generation, and Modulation andUpconversion.

In one subembodiment, the N sub-signals are obtained by the first bitblock sequentially through CRC Insertion, Channel Coding, Rate Matching,Scrambling, Modulation, and Layer Mapping, Precoding, Mapping to VirtualResource Blocks, Mapping from Virtual to Physical Resource Blocks, OFDMBaseband Signal Generation, and Modulation and Upconversion.

In one subembodiment, the N sub-signals are obtained by the first bitblock sequentially through CRC Insertion, Segmentation, CB-level CRCInsertion, Channel Coding, Rate Matching, Concatenation, Scrambling,Modulation, Layer Mapping, Precoding, Mapping to Resource Element, OFDMBaseband Signal Generation, and Modulation and Upconversion.

In one subembodiment, a given sub-signal is any of the N sub-signals,and the given sub-signal is obtained by a first bit block sequentiallythrough CRC Insertion, Channel Coding, Rate Matching, Scrambling, andModulation, Layer Mapping, Precoding, Mapping to Resource Element, OFDMBaseband Signal Generation, and Modulation and Upconversion.

In one subembodiment, a given sub-signal is any of the N sub-signals,and the given sub-signal is obtained by a first bit block sequentiallythrough CRC Insertion, Channel Coding, Rate Matching, Scrambling,Modulation, Layer Mapping, Precoding, Mapping to Virtual ResourceBlocks, Mapping from Virtual to Physical Resource Blocks, OFDM BasebandSignal Generation, and Modulation and Upconversion.

In one subembodiment, a given sub-signal is any of the N sub-signals,and the given sub-signal is obtained by a first bit block sequentiallythrough CRC Insertion, Segmentation, CB-level CRC Insertion, ChannelCoding, Rate Matching, Concatenation, Scrambling, Modulation, LayerMapping, Precoding, Mapping to Resource Element, OFDM Baseband SignalGeneration, and Modulation and Upconversion.

In one embodiment, the downlink physical layer data channel is aPhysical Downlink Shared CHannel (PDSCH).

In one embodiment, the downlink physical layer data channel is a shortPDSCH (sPDSCH).

In one embodiment, the downlink physical layer data channel is a NarrowBand PDSCH (NPDSCH).

In one embodiment, each of the N first-type reference signals comprisesa Phase-Tracking Reference Signal (PTRS).

In one embodiment, the number of transmission antenna port(s) for eachof the N first-type reference signals is equal to 1.

In one embodiment, the phrase that an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport means that the antenna port for transmitting each of the Nfirst-type reference signals and the first antenna port are transmittedby a same antenna group and correspond to a same precoding vector; theantenna group comprises a positive integer number of antenna(s).

In one embodiment, the phrase that an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport means that small-scale channel fading parameters that the antennaport for transmitting each of the N first-type reference signals goesthrough can be used to infer small-scale channel fading parameters thatthe first antenna port goes through.

In one embodiment, the phrase that an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport means that small-scale channel fading parameters that the firstantenna port goes through can be used to infer small-scale channelfading parameters that the antenna port for transmitting each of the Nfirst-type reference signals goes through.

In one embodiment, the phrase that an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport means that the antenna port for transmitting each of the Nfirst-type reference signals can be used to compensate phase noise of NDemodulation Reference Signals (DMRSs); the N radio signals respectivelycomprise the N DMRSs, and antenna ports for transmitting the N DMRSs arethe same, the first antenna port being one antenna port for transmittingthe N DMRSs.

In one embodiment, the phrase that an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport means that the antenna port for transmitting each of the Nfirst-type reference signals can be used to compensate phase noise ofthe N radio signals.

In one embodiment, the phrase that an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport means that each subcarrier occupied by the antenna port fortransmitting each of the N first-type reference signals belongs to asubcarrier group occupied by N DMRSs, the subcarrier group comprising apositive integer number of subcarrier(s); the N radio signalsrespectively comprise the N DMRSs, and antenna ports for transmittingthe N DMRSs are the same, the first antenna port being one antenna portfor transmitting the N DMRSs.

In one embodiment, the phrase that an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport means that the antenna port for transmitting each of the Nfirst-type reference signals and the first antenna port are assumed tobe Quasi Co-Located (QCL).

In one embodiment, the phrase that an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport means that the antenna port for transmitting each of the Nfirst-type reference signals and the first antenna port are assumed tobe spatial QCL.

In one embodiment, the phrase that an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport means that the antenna port for transmitting each of the Nfirst-type reference signals and the first antenna port are assumed tobe with respect to QCL-TypeA and QCL-TypeD being QCL.

In one subembodiment of the above embodiment, the QCL-TypeA comprisesDoppler shift, Doppler spread and Delay spread.

In one subembodiment of the above embodiment, the QCL-TypeD comprisesSpatial Rx parameters.

In one embodiment, two antenna ports being QCL means that all or part oflarge-scale properties of a radio signal transmitted from one of the twoantenna ports can be used to infer all or part of large-scale propertiesof a radio signal transmitted from the other of the two antenna ports.

In one embodiment, two antenna ports being QCL means that the twoantenna ports share at least a same QCL parameter, the QCL parametercomprising at least one of a multi-antenna related QCL parameter or amulti-antenna unrelated QCL parameter.

In one embodiment, two antenna ports being QCL means that at least oneQCL parameter of one of the two antenna ports can be used to infer atleast one QCL parameter of the other of the two antenna ports, the QCLparameter comprising at least one of a multi-antenna related QCLparameter or a multi-antenna unrelated QCL parameter.

In one embodiment, two antenna ports being QCL means that multi-antennarelated reception of a radio signal transmitted from one of the twoantenna ports can be used to infer multi-antenna related reception of aradio signal transmitted from the other of the two antenna ports.

In one embodiment, two antenna ports being QCL means that multi-antennarelated transmission of a radio signal transmitted from one of the twoantenna ports can be used to infer multi-antenna related transmission ofa radio signal transmitted from the other of the two antenna ports.

In one embodiment, two antenna ports being QCL means that multi-antennarelated reception of a radio signal transmitted from one of the twoantenna ports can be used to infer multi-antenna related transmission ofa radio signal transmitted from the other of the two antenna ports; areceiver of the radio signal transmitted from one of the two antennaports is the same as a transmitter of the radio signal transmitted fromthe other of the two antenna ports.

In one embodiment, two antenna ports being spatial QCL means that all orpart of multi-antenna related large-scale properties of a radio signaltransmitted from one of the two antenna ports can be used to infer allor part of multi-antenna related large-scale properties of a radiosignal transmitted from the other of the two antenna ports.

In one embodiment, two antenna ports being spatial QCL means that thetwo antenna ports share at least a same multi-antenna related QCLparameter (spatial QCL parameter).

In one embodiment, two antenna ports being spatial QCL means that atleast one multi-antenna related QCL parameter of one of the two antennaports can be used to infer at least one multi-antenna related QCLparameter of the other of the two antenna ports.

In one embodiment, two antenna ports being spatial QCL means thatmulti-antenna related reception of a radio signal transmitted from oneof the two antenna ports can be used to infer multi-antenna relatedreception of a radio signal transmitted from the other of the twoantenna ports.

In one embodiment, two antenna ports being spatial QCL means thatmulti-antenna related transmission of a radio signal transmitted fromone of the two antenna ports can be used to infer multi-antenna relatedtransmission of a radio signal transmitted from the other of the twoantenna ports.

In one embodiment, two antenna ports being spatial QCL means thatmulti-antenna related reception of a radio signal transmitted from oneof the two antenna ports can be used to infer multi-antenna relatedtransmission of a radio signal transmitted from the other of the twoantenna ports; a receiver of the radio signal transmitted from one ofthe two antenna ports is the same as a transmitter of the radio signaltransmitted from the other of the two antenna ports.

In one embodiment, the multi-antenna related QCL parameter comprises oneor more of angle of arrival, angle of departure, spatial correlation,multi-antenna related transmission or multi-antenna related reception.

In one embodiment, the multi-antenna unrelated QCL parameter comprisesone or more of Average delay, delay spread, Doppler spread, Dopplershift, path loss or average gain.

In one embodiment, the multi-antenna related reception refers to SpatialRx parameters.

In one embodiment, the multi-antenna related reception refers to areceiving beam.

In one embodiment, the multi-antenna related reception refers to areception beamforming matrix.

In one embodiment, the multi-antenna related reception refers to areception analog beamforming matrix.

In one embodiment, the multi-antenna related reception refers to areception analog beamforming vector.

In one embodiment, the multi-antenna related reception refers to areception beamforming vector.

In one embodiment, the multi-antenna related reception refers to a Rxspatial filtering.

In one embodiment, the multi-antenna related transmission refers toSpatial Tx parameters.

In one embodiment, the multi-antenna related transmission refers to atransmitting beam.

In one embodiment, the multi-antenna related transmission refers to atransmission beamforming matrix.

In one embodiment, the multi-antenna related transmission refers to atransmission analog beamforming matrix.

In one embodiment, the multi-antenna related transmission refers to atransmission analog beamforming vector.

In one embodiment, the multi-antenna related transmission refers to atransmission beamforming vector.

In one embodiment, the multi-antenna related transmission refers to a Txspatial filtering.

In one embodiment, the Spatial Tx parameters comprise one or more of atransmission antenna port, a transmission antenna port group, atransmitting beam, a transmission analog beamforming matrix, atransmission analog beamforming vector, a transmission beamformingmatrix, a transmission beamforming vector or a Tx spatial filtering.

In one embodiment, the Spatial Rx parameters comprise one or more of areceiving beam, a reception analog beamforming matrix, a receptionanalog beamforming vector, a reception beamforming matrix, a receptionbeamforming vector or a Rx spatial filtering.

In one embodiment, the operating action is transmitting.

In one embodiment, the operating action is receiving.

In one embodiment, of the N1 time-frequency resource blocks only thetarget time-frequency resource block's bandwidth is used to determinethe frequency density of the first target signal.

In one embodiment, the frequency density of the first target signal is apositive integer.

In one embodiment, the frequency density of the first target signal isequal to 2 or 4.

In one embodiment, a given time-frequency resource block comprises apositive integer number of time-frequency resource units, and any twotime-frequency resource units in the given time-frequency resource blockare orthogonal in frequency domain; a bandwidth of the giventime-frequency resource block is a number of the time-frequency resourceunits comprised in the given time-frequency resource block.

In one subembodiment, the time-frequency resource unit comprises an RBin frequency domain.

In one subembodiment, the time-frequency resource unit comprises apositive integer number of consecutive subcarriers in frequency domain.

In one subembodiment, any two time-frequency resource units comprised bythe given time-frequency resource block occupy a same time-domainresource.

In one subembodiment, time-frequency resources respectively occupied byany two time-frequency resource units comprised by the giventime-frequency resource block are of equal size.

In one embodiment, a bandwidth of a given time-frequency resource blockrefers to a number of RBs comprised by the given time-frequency resourceblock in frequency domain.

In one embodiment, a bandwidth of a given time-frequency resource blockrefers to a number of subcarriers comprised by the given time-frequencyresource block in frequency domain.

In one embodiment, a bandwidth of a given time-frequency resource blockrefers to frequency occupied by the given time-frequency resource block,the bandwidth of the given time-frequency resource block being measuredby Hz.

Embodiment 2

Embodiment 2 illustrates a schematic diagram of a network architecture,as shown in FIG. 2.

Embodiment 2 illustrates a schematic diagram of a network architectureaccording to the present disclosure, as shown in FIG. 2. FIG. 2 is adiagram illustrating a network architecture 200 of NR 5G, Long-TermEvolution (LTE), and Long-Term Evolution Advanced (LTE-A) systems. TheNR 5G or LTE network architecture 200 may be called an Evolved PacketSystem (EPS) 200 or other appropriate terms. The EPS 200 may compriseone or more UEs 201, an NG-RAN 202, an Evolved Packet Core/5G-CoreNetwork (EPC/5G-CN) 210, a Home Subscriber Server (HSS) 220 and anInternet Service 230. The EPS 200 may be interconnected with otheraccess networks. For simple description, the entities/interfaces are notshown. As shown in FIG. 2, the EPS 200 provides packet switchingservices. Those skilled in the art will readily understand that variousconcepts presented throughout the present disclosure can be extended tonetworks providing circuit switching services. The NG-RAN 202 comprisesan NR node B (gNB) 203 and other gNBs 204. The gNB 203 provides UE201-oriented user plane and control plane terminations. The gNB 203 maybe connected to other gNBs 204 via an Xn interface (for example,backhaul). The gNB 203 may be called a base station, a base transceiverstation, a radio base station, a radio transceiver, a transceiverfunction, a Base Service Set (BSS), an Extended Service Set (ESS), aTransmitter Receiver Point (TRP) or some other applicable terms. The gNB203 provides an access point of the EPC/5G-CN 210 for the UE 201.Examples of UE 201 include cellular phones, smart phones, SessionInitiation Protocol (SIP) phones, laptop computers, Personal DigitalAssistant (PDA), Satellite Radios, non-terrestrial base stationcommunications, satellite mobile communications, Global PositioningSystems (GPS), multimedia devices, video devices, digital audio players(for example, MP3 players), cameras, games consoles, unmanned aerialvehicles, air vehicles, narrow-band physical network equipment,machine-type communication equipment, land vehicles, automobiles,wearable equipment, or any other devices having similar functions. Thoseskilled in the art also can call the UE 201 a mobile station, asubscriber station, a mobile unit, a subscriber unit, a wireless unit, aremote unit, a mobile device, a wireless device, a radio communicationdevice, a remote device, a mobile subscriber station, an accessterminal, a mobile terminal, a wireless terminal, a remote terminal, ahandset, a user proxy, a mobile client, a client or some otherappropriate terms. The gNB 203 is connected to the EPC/5G-CN 210 via anS1/NG interface. The EPC/5G-CN 210 comprises a Mobility ManagementEntity (MME)/Authentication Management Field (AMF)/User Plane Function(UPF) 211, other MMES/AMFs/UPFs 214, a Service Gateway (S-GW) 212 and aPacket Date Network Gateway (P-GW) 213. The MME/AMF/UPF 211 is a controlnode for processing a signaling between the UE 201 and the EPC/5G-CN210. Generally, the MME/AMF/UPF 211 provides bearer and connectionmanagement. All user Internet Protocol (IP) packets are transmittedthrough the S-GW 212. The S-GW 212 is connected to the P-GW 213. TheP-GW 213 provides UE IP address allocation and other functions. The P-GW213 is connected to the Internet Service 230. The Internet Service 230comprises operator-compatible IP services, specifically includingInternet, Intranet, IP Multimedia Subsystem (IMS) and Packet SwitchingStreaming (PSS) services.

In one embodiment, the UE 201 corresponds to the UE in the presentdisclosure.

In one embodiment, the gNB203 corresponds to the base station in thepresent disclosure.

In one subembodiment, the UE 201 supports MIMO-based wirelesscommunications.

In one subembodiment, the gNB203 supports MIMO-based wirelesscommunications.

In one subembodiment, the UE 201 supports wireless communications withdata transmitted on Unlicensed Spectrum.

In one subembodiment, the UE 201 supports wireless communications withdata transmitted on Licensed Spectrum.

In one embodiment, the gNB203 supports wireless communications with datatransmitted on Unlicensed Spectrum.

In one embodiment, the gNB203 supports wireless communications with datatransmitted on Licensed Spectrum.

Embodiment 3

Embodiment 3 illustrates a schematic diagram of a radio protocolarchitecture of a user plane and a control plane, as shown in FIG. 3.

FIG. 3 is a schematic diagram illustrating a radio protocol architectureof a user plane and a control plane. In FIG. 3, the radio protocolarchitecture for a UE and a base station (gNB or eNB) is represented bythree layers, which are a layer 1, a layer 2 and a layer 3,respectively. The layer 1 (L1) is the lowest layer and performs signalprocessing functions of various PHY layers. The L1 is called PHY 301 inthe present disclosure. The layer 2 (L2) 305 is above the PHY 301, andis in charge of the link between the UE and the gNB via the PHY 301. Inthe user plane, L2 305 comprises a Medium Access Control (MAC) sublayer302, a Radio Link Control (RLC) sublayer 303 and a Packet DataConvergence Protocol (PDCP) sublayer 304. All the three sublayersterminate at the gNBs of the network side. Although not described inFIG. 3, the UE may comprise several higher layers above the L2 305, suchas a network layer (i.e., IP layer) terminated at a P-GW 213 of thenetwork side and an application layer terminated at the other side ofthe connection (i.e., a peer UE, a server, etc.). The PDCP sublayer 304provides multiplexing among variable radio bearers and logical channels.The PDCP sublayer 304 also provides a header compression for ahigher-layer packet so as to reduce radio transmission overhead. ThePDCP sublayer 304 provides security by encrypting a packet and providessupport for UE handover between gNBs. The RLC sublayer 303 providessegmentation and reassembling of a higher-layer packet, retransmissionof a lost packet, and reordering of a packet so as to compensate thedisordered receiving caused by Hybrid Automatic Repeat reQuest (HARQ).The MAC sublayer 302 provides multiplexing between a logical channel anda transport channel. The MAC sublayer 302 is also responsible forallocating between UEs various radio resources (i.e., resource blocks)in a cell. The MAC sublayer 302 is also in charge of HARQ operation. Inthe control plane, the radio protocol architecture of the UE and the gNBis almost the same as the radio protocol architecture in the user planeon the PHY 301 and the L2 305, but there is no header compression forthe control plane. The control plane also comprises an RRC sublayer 306in the layer 3 (L3). The RRC sublayer 306 is responsible for acquiringradio resources (i.e., radio bearer) and configuring the lower layerusing an RRC signaling between the gNB and the UE.

In one embodiment, the radio protocol architecture in FIG. 3 isapplicable to the UE in the present disclosure.

In one embodiment, the radio protocol architecture in FIG. 3 isapplicable to the base station in the present disclosure.

In one embodiment, the first information in the present disclosure isgenerated by the PHY 301.

In one embodiment, the first information in the present disclosure isgenerated by the RRC sublayer 306.

In one embodiment, the first information in the present disclosure isgenerated by the MAC sublayer 302.

In one embodiment, the second information in the present disclosure isgenerated by the RRC sublayer 306.

In one embodiment, the second information in the present disclosure isgenerated by the MAC sublayer 302.

In one embodiment, the first signaling in the present disclosure isgenerated by the PHY 301.

In one embodiment, the N radio signals in the present disclosure aregenerated by the PHY 301.

In one embodiment, the target access detection in the present disclosureis generated by the PHY 301.

In one embodiment, the N1 first-type access detections in the presentdisclosure are generated by the PHY 301.

In one embodiment, the N1 second-type access detections in the presentdisclosure are generated by the PHY 301.

Embodiment 4

Embodiment 4 illustrates a schematic diagram of a base station and a UEaccording to the present disclosure, as shown in FIG. 4. FIG. 4 is ablock diagram of a gNB 410 in communication with a UE 450 in an accessnetwork.

A base station (410) comprises a controller/processor 440, a memory 430,a receiving processor 412, a first processor 471, a transmittingprocessor 415, a transmitter/receiver 416 and an antenna 420.

A UE (450) comprises a controller/processor 490, a memory 480, a datasource 467, a first processor 441, a transmitting processor 455, areceiving processor 452, a transmitter/receiver 456 and antenna 460.

In downlink (DL) transmission, processes relevant to the base station410 comprise the following:

A higher-layer packet is provided to the controller/processor 440, andthe controller/processor 440 provides header compression, encryption,packet segmentation and reordering as well as multiplexing anddemultiplexing between a logical channel and a transport channel so asto implement the L2 layer protocols used for the user plane and thecontrol plane; the higher-layer packet may comprise data or controlinformation, such as a Downlink Shared Channel (DL-SCH).

The controller/processor 440 is associated with the memory 430 thatstores program code and data; the memory 430 can be a computer readablemedium.

The controller/processor 440 comprises a scheduling unit fortransmission requests, where the scheduling unit is used to scheduleradio resources corresponding to transmission requests.

The first processor 471 determines to transmit the first signaling.

The first processor 471 determines to transmit N radio signalsrespectively in N time-frequency resource blocks.

The transmitting processor 415 receives bit flows output from thecontroller/processor 440 and provides various signal transmittingprocessing functions used for the L1 layer (that is PHY), includingcoding, interleaving, scrambling, modulating, power control/allocationand generation of physical layer control signaling (such as PBCH, PDCCH,PHICH, PCFICH and a reference signal).

The transmitting processor 415 receives bit flows output from thecontroller/processor 440 and provides various signal transmittingprocessing functions used for the L1 layer (that is PHY), includingmulti-antenna transmission, spreading, Code Division Multiplexing andprecoding.

The transmitter 416 is configured to convert a baseband signal providedfrom the transmitting processor 415 into a radio frequency signal whichis to be transmitted via the antenna 420; each transmitter 416 performssampling processing on respectively input symbol stream to acquirerespective sampled signal stream. And each transmitter 416 furtherprocesses respectively sampled stream, for instance, bydigital-to-analogue conversion, amplification, filtering andupconversion, to obtain a downlink signal.

In DL transmission, processes relevant to the UE 450 may comprise thefollowing:

The receiver 456 is used to convert a radio frequency signal receivedvia the antenna 460 into a baseband signal to be provided to thereceiving processor 452.

The receiving processor 452 provides various signal receiving processingfunctions used for the L1 layer (that is PHY), including decoding,de-interleaving, descrambling, demodulating and extraction of physicallayer control signaling.

The receiving processor 452 provides various signal receiving processingfunctions used for the L1 layer (that is PHY), including multi-antennareception, despreading, Code Division Multiplexing and precoding.

The first processor 441 determines to receive the first signaling.

The beam processor 441 determines to receive N radio signalsrespectively in N time-frequency resource blocks.

The controller/processor 490 receives bit flows output from thereceiving processor 452, and provides header decompression, decryption,packet segmentation and reordering as well as multiplexing anddemultiplexing between a logical channel and a transport channel so asto implement the L2 layer protocols used for the user plane and thecontrol plane.

The controller/processor 490 is associated with the memory 480 thatstores program code and data; the memory 480 may be called a computerreadable medium.

In uplink (UL) transmission, processes relevant to the base station 410comprise the following:

The receiver 416 receives a radio frequency signal via a correspondingantenna 420, converting the radio frequency signal into a basebandsignal and providing the baseband signal to the receiving processor 412.

The receiving processor 412 provides various signal receiving processingfunctions used for the L1 layer (that is PHY), including decoding,de-interleaving, descrambling, demodulation and extraction of physicallayer control signaling.

The receiving processor 412 provides various signal receiving processingfunctions used for the L1 layer (that is PHY), including multi-antennareception, despreading, Code Division Multiplexing and precoding.

The controller/processor 440 implements the functions of the L2 layer,and is associated with the memory 430 that stores program code and data.

The controller/processor 440 provides demultiplexing between a transportchannel and a logical channel, packet reassembling, decryption, headerdecompression and control signal processing so as to recover ahigher-layer packet from the UE450; the higher-layer packet may beprovided to a core network.

The beam processor 471 determines to receive N radio signalsrespectively in N time-frequency resource blocks.

In UL, processes relevant to the UE 450 comprise the following:

The data source 467 provides a higher-layer packet to thecontroller/processor 490. The data source 467 represents all protocollayers above the L2 layer.

The transmitter 456 transmits a radio frequency signal via acorresponding antenna 460, converting a baseband signal into a radiofrequency signal and providing the radio frequency signal to thecorresponding antenna 460.

The transmitting processor 455 provides various signal receivingprocessing functions used for the L1 layer (i.e., PHY), includingdecoding, de-interleaving, descrambling, demodulation and extraction ofphysical layer control signaling.

The transmitting processor 455 provides various signal receivingprocessing functions used for the L1 layer (i.e., PHY), includingmulti-antenna transmission, spreading, Code Division Multiplexing andprecoding.

The controller/processor 490 performs header compression, encryption,packet segmentation and reordering as well as multiplexing between alogical channel and a transport channel based on radio resourcesallocation of the gNB410, thereby implementing the L2 layer functionsused for the user plane and the control plane.

The controller/processor 490 is also in charge of HARQ operation,retransmission of a lost packet and a signaling to the gNB410.

The beam processor 441 determines to transmit N radio signalsrespectively in N time-frequency resource blocks.

In one embodiment, the UE450 comprises at least one processor and atleast one memory. The at least one memory includes computer programcodes. The at least one memory and the computer program codes areconfigured to be used in collaboration with the at least one processor.The UE 450 at least comprises the following: the first signalingindicates N1 time-frequency resource blocks; the N1 time-frequencyresource blocks respectively belong to N1 frequency sub-bands infrequency domain, any two frequency sub-bands of the N1 frequencysub-bands being orthogonal, N1 being a positive integer greater than 1;any time-frequency resource block of the N time-frequency resourceblocks is one of the N1 time-frequency resource blocks, N being apositive integer greater than 1 and no greater than the N1; the N radiosignals respectively comprise N first-type reference signals, and anantenna port for transmitting each of the N first-type reference signalsis associated with a first antenna port; a first target signal is anyfirst-type reference signal of the N first-type reference signals, andfrequency density of the first target signal is related to only a targettime-frequency resource block of the N1 time-frequency resource blocks,the target time-frequency resource block being one of the N1time-frequency resource blocks; the operating action is transmitting,or, the operating action is receiving.

In one embodiment, the UE 450 comprises a memory that stores a computerreadable instruction program. The computer readable instruction programgenerates actions when executed by at least one processor, whichinclude: the first signaling indicating N1 time-frequency resourceblocks; the N1 time-frequency resource blocks respectively belonging toN1 frequency sub-bands in frequency domain, any two frequency sub-bandsof the N1 frequency sub-bands being orthogonal, N1 being a positiveinteger greater than 1; any time-frequency resource block of the Ntime-frequency resource blocks is one of the N1 time-frequency resourceblocks, N being a positive integer greater than 1 and no greater thanthe N1; the N radio signals respectively comprise N first-type referencesignals, and an antenna port for transmitting each of the N first-typereference signals is associated with a first antenna port; a firsttarget signal is any first-type reference signal of the N first-typereference signals, and frequency density of the first target signal isrelated to only a target time-frequency resource block of the N1time-frequency resource blocks, the target time-frequency resource blockbeing one of the N1 time-frequency resource blocks; the operating actionis transmitting, or, the operating action is receiving.

In one embodiment, the gNB 410 comprises at least one processor and atleast one memory. The at least one memory includes computer programcodes. The at least one memory and the computer program codes areconfigured to be used in collaboration with the at least one processor.The gNB 410 at least comprises the following: the first signalingindicates N1 time-frequency resource blocks; the N1 time-frequencyresource blocks respectively belong to N1 frequency sub-bands infrequency domain, any two frequency sub-bands of the N1 frequencysub-bands being orthogonal, N1 being a positive integer greater than 1;any time-frequency resource block of the N time-frequency resourceblocks is one of the N1 time-frequency resource blocks, N being apositive integer greater than 1 and no greater than the N1; the N radiosignals respectively comprise N first-type reference signals, and anantenna port for transmitting each of the N first-type reference signalsis associated with a first antenna port; a first target signal is anyfirst-type reference signal of the N first-type reference signals, andfrequency density of the first target signal is related to only a targettime-frequency resource block of the N1 time-frequency resource blocks,the target time-frequency resource block being one of the N1time-frequency resource blocks; the processing action is receiving, or,the processing action is transmitting.

In one embodiment, the gNB 410 comprises a memory that stores a computerreadable instruction program. The computer readable instruction programgenerates actions when executed by at least one processor, whichinclude: the first signaling indicating N1 time-frequency resourceblocks; the N1 time-frequency resource blocks respectively belonging toN1 frequency sub-bands in frequency domain, any two frequency sub-bandsof the N1 frequency sub-bands being orthogonal, N1 being a positiveinteger greater than 1; any time-frequency resource block of the Ntime-frequency resource blocks is one of the N1 time-frequency resourceblocks, N being a positive integer greater than 1 and no greater thanthe N1; the N radio signals respectively comprise N first-type referencesignals, and an antenna port for transmitting each of the N first-typereference signals is associated with a first antenna port; a firsttarget signal is any first-type reference signal of the N first-typereference signals, and frequency density of the first target signal isrelated to only a target time-frequency resource block of the N1time-frequency resource blocks, the target time-frequency resource blockbeing one of the N1 time-frequency resource blocks; the processingaction is receiving, or, the processing action is transmitting.

In one embodiment, the UE 450 corresponds to the UE in the presentdisclosure.

In one embodiment, the gNB410 corresponds to the base station in thepresent disclosure.

In one embodiment, at least the first two of the receiver 456, thereceiving processor 452 and the controller/processor 490 are used toreceive the first information in the present disclosure.

In one embodiment, at least the first two of the transmitter 416, thetransmitting processor 415 and the controller/processor 440 are used totransmit the first information in the present disclosure.

In one embodiment, at least the first two of the receiver 456, thereceiving processor 452 and the controller/processor 490 are used toreceive the second information in the present disclosure.

In one embodiment, at least the first two of the transmitter 416, thetransmitting processor 415 and the controller/processor 440 are used totransmit the second information in the present disclosure.

In one embodiment, at least the first two of the receiver 456, thereceiving processor 452 and the controller/processor 490 are used toreceive the first signaling in the present disclosure.

In one embodiment, at least the first two of the transmitter 416, thetransmitting processor 415 and the controller/processor 440 are used totransmit the first signaling in the present disclosure.

In one embodiment, the operating action is receiving, at least the firsttwo of the receiver 456, the receiving processor 452 and thecontroller/processor 490 being used to receive the N radio signals ofthe present disclosure respectively in the N time-frequency resourceblocks of the present disclosure.

In one embodiment, the processing action is transmitting, at least thefirst two of the transmitter 416, the transmitting processor 415 and thecontroller/processor 440 being used to transmit the N radio signals ofthe present disclosure respectively in the N time-frequency resourceblocks of the present disclosure.

In one embodiment, the operating action is receiving, at least the firsttwo of the receiver 456, the receiving processor 452 and thecontroller/processor 490 being used to perform the target accessdetection of the present disclosure on the first frequency band of thepresent disclosure.

In one embodiment, the operating action is receiving, at least the firsttwo of the receiver 456, the receiving processor 452 and thecontroller/processor 490 being used to perform the N1 first-type accessdetections of the present disclosure respectively on the N1 frequencysub-bands of the present disclosure.

In one embodiment, the operating action is transmitting, at least thefirst two of the transmitter 456, the transmitting processor 455 and thecontroller/processor 490 being used to transmit the N radio signals ofthe present disclosure respectively in the N time-frequency resourceblocks of the present disclosure.

In one embodiment, the operating action is receiving, at least the firsttwo of the receiver 416, the receiving processor 412 and thecontroller/processor 440 being used to receive the N radio signals ofthe present disclosure respectively in the N time-frequency resourceblocks of the present disclosure.

In one embodiment, the operating action is transmitting, at least thefirst two of the receiver 416, the receiving processor 412 and thecontroller/processor 440 being used to perform the N1 second-type accessdetections of the present disclosure respectively on the N1 frequencysub-bands of the present disclosure.

Embodiment 5

Embodiment 5 illustrates a flowchart of wireless transmission, as shownin FIG. 5. In FIG. 5, a base station N01 is a maintenance base stationfor a serving cell of a UE U02. In FIG. 5, the box F1 is optional, andbetween the box F2 and the box F3 only one box exists.

The N01 transmits first information in step S10; transmits secondinformation in step S11; and transmits a first signaling in step S12;receives N radio signals respectively in N time-frequency resourceblocks in step S13; and performs N1 second-type access detectionsrespectively on N1 frequency sub-bands in step S14; and transmits Nradio signals respectively in N time-frequency resource blocks in stepS15.

The U02 receives first information in step S20; receives secondinformation in step S21; and receives a first signaling in step S22;performs a target access detection on a first frequency band in stepS23, or, performs N1 first-type access detections respectively on N1frequency sub-bands in step S23; and transmits N radio signalsrespectively in N time-frequency resource blocks in step S24; andreceives N radio signals respectively in N time-frequency resourceblocks in step S25.

In Embodiment 5, the first signaling indicates N1 time-frequencyresource blocks; the U02 operates the N radio signals respectively inthe N time-frequency resource blocks, while the N01 processes the Nradio signals respectively in the N time-frequency resource blocks; theN1 time-frequency resource blocks respectively belong to N1 frequencysub-bands in frequency domain, any two frequency sub-bands of the N1frequency sub-bands being orthogonal, N1 being a positive integergreater than 1; any time-frequency resource block of the Ntime-frequency resource blocks is one of the N1 time-frequency resourceblocks, N being a positive integer greater than 1 and no greater thanthe N1; the N radio signals respectively comprise N first-type referencesignals, and an antenna port for transmitting each of the N first-typereference signals is associated with a first antenna port; a firsttarget signal is any first-type reference signal of the N first-typereference signals, and frequency density of the first target signal isrelated to only a target time-frequency resource block of the N1time-frequency resource blocks, the target time-frequency resource blockbeing one of the N1 time-frequency resource blocks. The firstinformation is used by the U02 to determine M frequency sub-bands, anyfrequency sub-band of the N1 frequency sub-bands being one of the Mfrequency sub-bands; M is a positive integer no less than the N1. Thesecond information indicates Q1 threshold(s), the Q1 threshold(s) beingused by the U02 to determine Q value sets; the Q value sets respectivelycorrespond to Q frequency densities, Q1 being a positive integer, and Qbeing a positive integer greater than 1; a bandwidth of the targettime-frequency resource block is used to determine the frequency densityof the first target signal out of the Q frequency densities, and thebandwidth of the target time-frequency resource block belongs to onlyone value set of the Q value sets. The operating action is transmitting,and the first frequency band comprises the N1 frequency sub-bands, thetarget access detection is used by the U02 to determine that the N radiosignals are respectively transmitted in the N time-frequency resourceblocks, while the N1 first-type access detections are used by the U02 todetermine that the N radio signals are respectively transmitted in the Ntime-frequency resource blocks; or, the processing action istransmitting, the N1 second-type access detections are used by the N01to determine that the N radio signals are respectively transmitted inthe N time-frequency resource blocks. The operating action istransmitting, while the processing action is receiving; or, theoperating action is receiving, while the processing action istransmitting.

In one embodiment, the operating action is transmitting, while theprocessing action is receiving, and between the box F2 and the box F3only the box F2 exists.

In one embodiment, the operating action is receiving, while theprocessing action is transmitting, and between the box F2 and the box F3only the box F3 exists.

In one embodiment, the M frequency sub-bands are pre-defined.

In one embodiment, the M frequency sub-bands are configurable.

In one embodiment, any of the M frequency sub-bands comprisesconsecutive frequency-domain resources.

In one embodiment, any of the M frequency sub-bands comprises a positiveinteger number of consecutive subcarriers.

In one embodiment, any of the M frequency sub-bands is of a bandwidth ofa positive integral multiple of 20 MHz.

In one embodiment, any two frequency sub-bands of the M frequencysub-bands are of equal bandwidth.

In one embodiment, any of the M frequency sub-bands is of a bandwidth of20 MHz.

In one embodiment, any of the M frequency sub-bands is of a bandwidth of1 GHz.

In one embodiment, any of the M frequency sub-bands is of a bandwidth ofa positive integral multiple of 1 GHz.

In one embodiment, the M frequency sub-bands belong to a same carrier.

In one embodiment, the M frequency sub-bands belong to a same BandwidthPart (BWP).

In one embodiment, the M frequency sub-bands are respectively N1sub-bands.

In one embodiment, the M frequency sub-bands are deployed at UnlicensedSpectrum.

In one embodiment, frequency-domain resources respectively comprised byany two frequency sub-bands of the M frequency sub-bands are orthogonal(that is, non-overlapping).

In one embodiment, any subcarrier in any given frequency sub-band of theM frequency sub-bands does not belong to any of the M frequencysub-bands other than the given frequency sub-band.

In one embodiment, a third given frequency sub-band and a fourth givenfrequency sub-band are any two frequency sub-bands of the M frequencysub-bands, there isn't any subcarrier in the third given frequencysub-band that has a frequency higher than a subcarrier of a lowestfrequency in the fourth given frequency sub-band and lower than asubcarrier of a highest frequency in the fourth given frequencysub-band.

In one embodiment, the first information indicates the M frequencysub-bands.

In one embodiment, the first information indicates the M frequencysub-bands out of M1 frequency sub-bands, any frequency sub-band of the Mfrequency sub-bands being one of the M1 frequency sub-bands.

In one subembodiment, the M1 frequency sub-bands are pre-defined.

In one subembodiment, the M1 frequency sub-bands are configurable.

In one subembodiment, any of the M1 frequency sub-bands comprisesconsecutive frequency-domain resources.

In one subembodiment, any of the M1 frequency sub-bands comprises apositive integer number of consecutive subcarriers.

In one subembodiment, any of the M1 frequency sub-bands is of abandwidth of a positive integral multiple of 20 MHz.

In one subembodiment, any two frequency sub-bands of the M1 frequencysub-bands are of equal bandwidth.

In one subembodiment, any of the M1 frequency sub-bands is of abandwidth of 20 MHz.

In one subembodiment, any of the M1 frequency sub-bands is of abandwidth of 1 GHz.

In one subembodiment, any of the M1 frequency sub-bands is of abandwidth of a positive integral multiple of 1 GHz.

In one subembodiment, the M1 frequency sub-bands belong to a samecarrier.

In one subembodiment, the M1 frequency sub-bands belong to a same BWP.

In one subembodiment, the M1 frequency sub-bands are N1 sub-bandsrespectively.

In one subembodiment, the M1 frequency sub-bands are deployed atUnlicensed Spectrum.

In one subembodiment, frequency-domain resources respectively comprisedby any two frequency sub-bands of the M1 frequency sub-bands areorthogonal (that is, non-overlapping).

In one subembodiment, any subcarrier in any given frequency sub-band ofthe M1 frequency sub-bands does not belong to any of the M1 frequencysub-bands other than the given frequency sub-band.

In one embodiment, a fifth given frequency sub-band and a sixth givenfrequency sub-band are any two frequency sub-bands of the M1 frequencysub-bands, there isn't any subcarrier in the fifth given frequencysub-band that has a frequency higher than a subcarrier of a lowestfrequency in the sixth given frequency sub-band and lower than asubcarrier of a highest frequency in the sixth given frequency sub-band.

In one embodiment, the first information is semi-statically configured.

In one embodiment, the first information is carried by a higher-layersignaling.

In one embodiment, the first information is carried by a Radio ResourceControl (RRC) signaling.

In one embodiment, the first information is carried by a MAC CEsignaling.

In one embodiment, the first information comprises one or moreInformation Elements (IEs) in an RRC signaling.

In one embodiment, the first information comprises all or part of an IEin an RRC signaling.

In one embodiment, the first information comprises part of fields of anIE in an RRC signaling.

In one embodiment, the first information comprises multiple IEs in anRRC signaling.

In one embodiment, the first information is dynamically configured.

In one embodiment, the first information is carried by a physical layersignaling.

In one embodiment, the first information is carried by a DCI signaling.

In one embodiment, the second information is semi-statically configured.

In one embodiment, the second information is carried by a higher-layersignaling.

In one embodiment, the second information is carried by an RRCsignaling.

In one embodiment, the second information is carried by a MAC CEsignaling.

In one embodiment, the second information comprises one or moreInformation Elements (IEs) in an RRC signaling.

In one embodiment, the second information comprises all or part offields of an IE in an RRC signaling.

In one embodiment, the second information comprises multiple IEs in anRRC signaling.

In one embodiment, the operating action is receiving, and the secondinformation comprises a frequencyDensity field of a PTRS-DownlinkConfigIE in an RRC signaling, for detailed definition of thePTRS-DownlinkConfig IE and the frequencyDensity field, refer to 3GPPTS38.331, section 6.3.2.

In one embodiment, the operating action is transmitting, and the secondinformation comprises a frequencyDensity field of a PTRS-UplinkConfig IEin an RRC signaling, for detailed definition of the PTRS-UplinkConfig IEand the frequencyDensity field, refer to 3GPP TS38.331, section 6.3.2.

In one embodiment, the target access detection is used by the U02 todetermine that the N radio signals are respectively transmitted in the Ntime-frequency resource blocks, the N being equal to the N1.

In one embodiment, the target access detection is used by the U02 todetermine that a radio signal can be transmitted in each of the N1time-frequency resource blocks.

In one embodiment, an end time of the target access detection is nolater than a start time of transmission of the N radio signals.

In one embodiment, an end time of the target access detection is earlierthan a start time of transmission of the N radio signals.

In one embodiment, the target access detection is used by the U02 todetermine that the first frequency band is idle.

In one embodiment, the target access detection is LBT.

In one embodiment, the target access detection is a Clear ChannelAssessment (CCA).

In one embodiment, the target access detection is an uplink accessdetection.

In one embodiment, the N1 first-type access detections are respectivelyused by the U02 to determine whether the N1 frequency sub-bands areidle.

In one embodiment, the N1 first-type access detections are respectivelyused by the U02 to determine whether a radio signal can be transmittedin the N1 time-frequency resource blocks.

In one embodiment, the N1 first-type access detections are used by theU02 to determine that a radio signal can be transmitted in only the Ntime-frequency resource blocks of the N1 time-frequency resource blocks.

In one embodiment, the N1 is greater than the N, the N1 first-typeaccess detections being used by the U02 to determine that no radiosignal can be transmitted in any of the N1 time-frequency resourceblocks not belonging to the N time-frequency resource blocks.

In one embodiment, the N time-frequency resource blocks respectivelybelong to N frequency sub-bands of the N1 frequency sub-bands infrequency domain, the N1 first-type access detections being used by theU02 to determine that only the N frequency sub-bands of the N1 frequencysub-bands are idle.

In one embodiment, the N time-frequency resource blocks respectivelybelong to N frequency sub-bands of the N1 frequency sub-bands infrequency domain, N first-type access detections are first-type accessdetections of the N1 first-type access detections that are respectivelyperformed on the N frequency sub-bands, and the N first-type accessdetections are respectively used by the U02 to determine that the Nradio signals are respectively transmitted in the N time-frequencyresource blocks.

In one embodiment, the N1 is greater than the N, N1−N time-frequencyresource block(s) is(are) composed of time-frequency resource block(s)of the N1 time-frequency resource blocks not belonging to the Ntime-frequency resource blocks, and the N1−N time-frequency resourceblock(s) respectively belongs(belong) to N1−N frequency sub-band(s) ofthe N1 frequency sub-bands in frequency domain; N1−N first-type accessdetection(s) of the N1 first-type access detections is(are) respectivelyperformed on the N1−N frequency sub-band(s), and the N1−N first-typeaccess detection(s) is(are) respectively used by the U02 to determinethat no radio signal can be transmitted in any of the N1−Ntime-frequency resource block(s).

In one embodiment, end times of the N1 first-type access detections arerespectively no later than start times of the N1 time-frequency resourceblocks.

In one embodiment, end times of the N1 first-type access detections arerespectively earlier than start times of the N1 time-frequency resourceblocks.

In one embodiment, any of the N1 first-type access detections is LBT.

In one embodiment, any of the N1 first-type access detections is a ClearChannel Assessment (CCA).

In one embodiment, any of the N1 first-type access detections is anuplink access detection.

In one embodiment, the N1 second-type access detections are respectivelyused to determine whether the N1 frequency sub-bands are idle.

In one embodiment, the N1 second-type access detections are respectivelyused by the N01 to determine whether a radio signal can be transmittedin the N1 time-frequency resource blocks.

In one embodiment, the N1 second-type access detections are used by theN01 to determine that a radio signal can be transmitted in only the Ntime-frequency resource blocks of the N1 time-frequency resource blocks.

In one embodiment, the N1 is greater than the N, the N1 second-typeaccess detections being used by the N01 to determine that no radiosignal can be transmitted in any of the N1 time-frequency resourceblocks not belonging to the N time-frequency resource blocks.

In one embodiment, the N time-frequency resource blocks respectivelybelong to N frequency sub-bands of the N1 frequency sub-bands infrequency domain, the N1 second-type access detections being used by theN01 to determine that only the N frequency sub-bands of the N1 frequencysub-bands are idle.

In one embodiment, the N time-frequency resource blocks respectivelybelong to N frequency sub-bands of the N1 frequency sub-bands infrequency domain, N second-type access detections are second-type accessdetections of the N1 second-type access detections that are respectivelyperformed on the N frequency sub-bands, and the N second-type accessdetections are respectively used by the N01 to determine that the Nradio signals are respectively transmitted in the N time-frequencyresource blocks.

In one embodiment, the N1 is greater than the N, N1−N time-frequencyresource block(s) is(are) composed of time-frequency resource block(s)of the N1 time-frequency resource blocks not belonging to the Ntime-frequency resource blocks, and the N1−N time-frequency resourceblock(s) respectively belongs(belong) to N1−N frequency sub-band(s) ofthe N1 frequency sub-bands in frequency domain; N1−N second-type accessdetection(s) of the N1 second-type access detections is(are)respectively performed on the N1−N frequency sub-band(s), and the N1−Nsecond-type access detection(s) is(are) respectively used by the N01 todetermine that no radio signal can be transmitted in any of the N1−Ntime-frequency resource block(s).

In one embodiment, end times of the N1 second-type access detections arerespectively no later than start times of the N1 time-frequency resourceblocks.

In one embodiment, end times of the N1 second-type access detections arerespectively earlier than start times of the N1 time-frequency resourceblocks.

In one embodiment, any of the N1 second-type access detections is LBT.

In one embodiment, any of the N1 second-type access detections is a CCA.

In one embodiment, any of the N1 second-type access detections is adownlink access detection.

Embodiment 6

Embodiment 6 illustrates a schematic diagram of a first antenna port, asshown in FIG. 6.

In Embodiment 6, the N radio signals in the present disclosurerespectively comprise N Demodulation Reference Signals (DMRSs), antennaports for transmitting the N first-type reference signals in the presentdisclosure are the same, and antenna ports for transmitting the N DMRSsare the same, the first antenna port being one antenna port fortransmitting the N DMRSs.

In one embodiment, each of the N DMRSs comprises DeModulation ReferenceSignals (DMRS).

In one embodiment, each of the N DMRSs is transmitted only by oneantenna port, the first antenna port being an antenna port fortransmitting each of the N DMRSs.

In one embodiment, the first antenna port is pre-defined.

In one embodiment, each of the N DMRSs is transmitted by P antennaports, the first antenna port being one of the P antenna ports, the Pbeing a positive integer greater than 1.

In one subembodiment, the first signaling is a Downlink Grant DCIsignaling, the operating action being receiving.

In one subembodiment, the N radio signals comprise a transmission of acodeword, and the first antenna port is one of the P antenna ports thatis of a lowest index.

In one subembodiment, the N radio signals comprise a transmission of twocodewords, and P1 antenna port(s) is(are) antenna port(s) of the Pantenna ports assigned for a codeword with higher MCS between the twocodewords, P1 being a positive integer no greater than the P; when theP1 is equal to 1, the first antenna port is the P1 antenna port; whenthe P1 is greater than 1, the first antenna port is one of the P1antenna ports of a lowest index.

In one subembodiment, the P antenna ports are divided into two antennaport subsets, any of the P antenna ports belonging to just one of thetwo antenna port subsets and any antenna port comprised in either of thetwo antenna port subsets is an antenna port of the P antenna ports; thefirst antenna port is an antenna port of a lowest index in one of thetwo antenna port subsets.

In one embodiment, the first signaling is also used to determine thefirst antenna port.

In one embodiment, the first signaling comprises a first field, thefirst field comprised in the first signaling being used to determine thefirst antenna port; the first antenna port is one of P antenna ports, Pbeing a positive integer greater than 1.

In one subembodiment, the first field comprised in the first signalingindicates an index of the first antenna port.

In one subembodiment, the first field comprised in the first signalingindicates an index of the first antenna port in the P antenna ports.

In one subembodiment, the first field comprised in the first signalingindicates an index of the first antenna port of P2 antenna ports, andany of the P2 antenna ports is one of the P antenna ports, P2 being apositive integer no greater than the P.

In one subembodiment, the first signaling is an Uplink Grant DCIsignaling, and the operating action is transmitting.

In one subembodiment, the first field comprised in the first signalingcomprises a positive integer number of bit(s).

In one subembodiment, the first field comprised in the first signalingis PTRS-DMRS association, for the detailed definition of the PTRS-DMRSassociation, refer to 3GPP TS38.212, section 7.3.1.1.2.

Embodiment 7

Embodiment 7A-Embodiment 7B respectively illustrate a schematic diagramof a target time-frequency resource block.

In Embodiment 7A, the target time-frequency resource block is one of theN time-frequency resource blocks in the present disclosure thatcomprises time-frequency resources occupied by the first target signalin the present disclosure.

In one embodiment, frequency densities of the N first-type referencesignals are respectively related to the N time-frequency resourceblocks.

In one embodiment, bandwidths of the N time-frequency resource blocksare respectively used to determine frequency densities of the Nfirst-type reference signals.

In Embodiment 7B, the target time-frequency resource block is one of theN1 time-frequency resource blocks in the present disclosure that is of aminimum bandwidth.

In one embodiment, N1 bandwidths are bandwidths of the N1 time-frequencyresource blocks respectively, a first minimum bandwidth being a smallestone of the N1 bandwidths, and the target time-frequency resource blockis one of the N1 time-frequency resource blocks that is of a bandwidthequal to the first minimum bandwidth.

In one embodiment, frequency density of each of the N first-typereference signals is related to the target time-frequency resourceblock.

In one embodiment, the N first-type reference signals are of equalfrequency density, and the target time-frequency resource block'sbandwidth is used to determine frequency density of any first-typereference signal of the N first-type reference signals.

Embodiment 8

Embodiment 8 illustrates a schematic diagram of Q1 threshold(s) beingused to determine Q value sets, as shown in FIG. 8.

In Embodiment 8, the second information in the present disclosureindicates the Q1 threshold(s), the Q1 threshold(s) being used todetermine Q value sets; the Q value sets respectively correspond to Qfrequency densities, Q1 being a positive integer, and Q being a positiveinteger greater than 1.

In one embodiment, any two of the Q value sets are unequal, and any twoof the Q frequency densities are unequal.

In one embodiment, the Q1 is greater than 1.

In one embodiment, the Q1 is equal to 2.

In one embodiment, the Q1 is equal to the Q.

In one embodiment, the Q1 is greater than the Q.

In one embodiment, the Q1 thresholds are positive integers.

In one embodiment, each of the Q1 thresholds is a positive integer nogreater than 276.

In one embodiment, any two of the Q value sets do not comprise a samevalue.

In one embodiment, any value in the Q value sets belongs to only onevalue set of the Q value sets.

In one embodiment, any of the Q value sets comprises a positive integernumber of value(s).

In one embodiment, any of the Q value sets comprises a positive integernumber of consecutive positive integers.

In one embodiment, the Q frequency densities are Q positive integersthat are mutually unequal.

In one embodiment, the Q is equal to 2, the Q frequency densitiesrespectively being 4 and 2 in a descending order.

In one embodiment, a greater value of the Q frequency densitiesrepresents sparser frequency-domain distribution.

In one embodiment, Q thresholds are all mutually unequal thresholds outof the Q1 thresholds, the Q1 being a positive integer no less than theQ; the Q thresholds are respectively b₀, b₁, . . . , b_(Q-1) in anascending order; b_(Q) is a positive integer greater than b_(Q-1); the Qfrequency densities are respectively K₀, K₁, . . . , K_(Q-1) in anascending order; an i-th value set of the Q value sets is [b_(i),b_(i+1)), and the i-th value set corresponds to K_(i), i=0, 1 . . . ,Q−1.

In one subembodiment, any two of the Q1 thresholds are unequal, the Qthresholds being the Q1 thresholds respectively.

In one subembodiment, the b_(Q) is pre-defined.

In one subembodiment, the b_(Q) is configurable.

In one subembodiment, the b_(Q) is a maximum scheduled bandwidth.

In one subembodiment, the b_(Q) is positive infinity.

In one embodiment, the operating action is receiving, and the Q1 isequal to 2, an i-th threshold of the Q1 thresholds being N_(RBi), i=0,1; the detailed definition of the N_(RBi) and specific implementation ofhow the Q1 thresholds are used to determine Q value sets can be found in3GPP TS38.214, section 5.1.6.3.

In one embodiment, the operating action is transmitting, and the Q1 isequal to 2, an i-th threshold of the Q1 thresholds being N_(RBi), i=0,1; the detailed definition of the N_(RBi) and specific implementation ofhow the Q1 thresholds are used to determine Q value sets can be found in3GPP TS38.214, section 6.2.3.1.

Embodiment 9

Embodiment 9 illustrates a schematic diagram of a relation betweenfrequency density of a first target signal and a target time-frequencyresource block, as shown in FIG. 9.

In Embodiment 9, the Q value sets in the present disclosure respectivelycorrespond to the Q frequency densities in the present disclosure, Q1being a positive integer, and Q being a positive integer greater than 1;a bandwidth of the target time-frequency resource block is used todetermine the frequency density of the first target signal out of the Qfrequency densities, and the bandwidth of the target time-frequencyresource block belongs to only one value set of the Q value sets.

In one embodiment, a first value set is one of the Q value sets to whichthe bandwidth of the target time-frequency resource block belongs, andthe frequency density of the first target signal is one of the Qfrequency densities that corresponds to the first value set.

Embodiment 10

Embodiment 10 illustrates a schematic diagram of determiningtime-frequency resources occupied by N first-type reference signals, asshown in FIG. 10.

In Embodiment 10, a first target signal is any first-type referencesignal of the N first-type reference signals; any of the N1time-frequency resource blocks in the present disclosure comprises apositive integer number of time-frequency resource unit(s), any two ofthe N1 time-frequency resource blocks being orthogonal in frequencydomain; a first time-frequency resource block is one of the Ntime-frequency resource blocks in the present disclosure that comprisestime-frequency resources occupied by the first target signal, and thefirst time-frequency resource block comprises M1 time-frequency resourceunit(s), and the time-frequency resources occupied by the first targetsignal belong to only M2 time-frequency resource unit(s) of the M1time-frequency resource unit(s); a number of the time-frequency resourceunit(s) comprised by the target time-frequency resource block and thefrequency density of the first target signal in the present disclosureare used to determine the M2 time-frequency resource unit(s) out of theM1 time-frequency resource unit(s); M1 is a positive integer, and M2 isa positive integer no greater than the M1.

In one embodiment, the time-frequency resource unit comprises an RB infrequency domain.

In one embodiment, the time-frequency resource unit comprises a positiveinteger number of consecutive subcarriers in frequency domain.

In one embodiment, any two of the N1 time-frequency resource blocksoccupy a same time-domain resource.

In one embodiment, time-frequency resources occupied by any two of theN1 time-frequency resource blocks are of a same size.

In one embodiment, any two of the N1 time-frequency resource blocksoccupy equal numbers of REs.

In one embodiment, any two of the N1 time-frequency resource blocksoccupy equal numbers of subcarriers in frequency domain, and any two ofthe N1 time-frequency resource blocks occupy equal numbers ofmulticarrier symbols in time domain.

In one embodiment, the first target signal occupies a positive integernumber of RE(s) on a subcarrier in any time-frequency resource unit ofthe M2 time-frequency resource unit(s).

In one embodiment, the M1 is greater than 1, and the M2 is greater than1, indexes of the M1 time-frequency resource units are respectively 0, 1. . . , and M1−1 according to an ascending order of frequency; anabsolute value of a difference between indexes of any two of the M2time-frequency resource units is equal to a positive integral multipleof the frequency density of the first target signal.

In one embodiment, the M1 is greater than 1, and the M2 is greater than1, indexes of the M1 time-frequency resource units are respectively 0, 1. . . , and M1−1 according to an ascending order of frequency; anabsolute value of a difference between indexes of any two adjacenttime-frequency resource units of the M2 time-frequency resource units isequal to the frequency density of the first target signal.

Embodiment 11

Embodiment 11 illustrates another schematic diagram of determiningtime-frequency resources occupied by N first-type reference signals, asshown in FIG. 11.

In Embodiment 11, a first target signal is any first-type referencesignal of the N first-type reference signals; any of the N1time-frequency resource blocks in the present disclosure comprises apositive integer number of time-frequency resource unit(s), any two ofthe N1 time-frequency resource blocks being orthogonal in frequencydomain; a first time-frequency resource block is one of the Ntime-frequency resource blocks in the present disclosure that comprisestime-frequency resources occupied by the first target signal, and thefirst time-frequency resource block comprises M1 time-frequency resourceunit(s), and the time-frequency resources occupied by the first targetsignal belong to only M2 time-frequency resource unit(s) of the M1time-frequency resource unit(s); a number of the time-frequency resourceunit(s) comprised by the target time-frequency resource block and thefrequency density of the first target signal are used to determine theM2 time-frequency resource unit(s) out of the M1 time-frequency resourceunit(s).

Embodiment 12

Embodiment 12 illustrates another schematic diagram of determiningtime-frequency resources occupied by N first-type reference signals, asshown in FIG. 12.

In Embodiment 12, any of the N1 time-frequency resource blocks in thepresent disclosure comprises a positive integer number of time-frequencyresource unit(s), and any two time-frequency resource units of the N1time-frequency resource blocks are orthogonal in frequency domain; the Nis greater than 1, a second time-frequency resource block and a thirdtime-frequency resource block are any two time-frequency resource blocksof the N time-frequency resource blocks that are adjacent in frequencydomain, the third time-frequency resource block being of a higherfrequency than the second time-frequency resource block, and a secondtarget signal and a third target signal are two first-type referencesignals of the N first-type reference signals that are respectivelytransmitted in the second time-frequency resource block and the thirdtime-frequency resource block; the second time-frequency resource blockcomprises S1 time-frequency resource units, while the time-frequencyresources occupied by the second target signal belong to only S2time-frequency resource units of the S1 time-frequency resource units;the third time-frequency resource block comprises T1 time-frequencyresource unit(s), while the time-frequency resource block occupied bythe third target signal belongs to only T2 time-frequency resourceunit(s) of the T1 time-frequency resource unit(s); one of the S2time-frequency resource units of a highest frequency and frequencydensity of the third target signal are used to determine the T2time-frequency resource unit(s) out of the T1 time-frequency resourceunit(s).

In one embodiment, the second target signal occupies a positive integernumber of RE(s) on a subcarrier in any time-frequency resource unit ofthe S2 time-frequency resource units, while the third target signaloccupies a positive integer number of RE(s) on a subcarrier in anytime-frequency resource unit of the T2 time-frequency resource unit(s).

In one embodiment, one of the S2 time-frequency resource units of ahighest frequency and frequency density of the third target signal areused to determine a third target unit out of the T1 time-frequencyresource units; when the T2 is equal to 1, the third target unit is theT2 time-frequency resource unit; when the T2 is greater than 1, thethird target unit is one of the T2 time-frequency resource units, andthe third target unit and the frequency density of the third targetsignal are used to determine (T2−1) time-frequency resource unit(s) ofthe T2 time-frequency resource units other than the third target unitout of the T1 time-frequency resource units.

In one subembodiment, indexes of the S1 time-frequency resource unitsand the T1 time-frequency resource units according to an ascending orderof frequency are respectively (S1+T1) consecutive non-negative integers;a difference obtained by subtracting an index of one of the S2time-frequency resource units of a highest frequency from an index ofthe third target unit is equal to the frequency density of the thirdtarget signal.

In one subembodiment, the T1 is greater than 1, and the T2 is greaterthan 1, the third target unit being one of the T2 time-frequencyresource units of a lowest frequency.

In one subembodiment, the T1 is greater than 1, and the T2 is greaterthan 1, the third target unit being one of the T2 time-frequencyresource units of a smallest index.

In one subembodiment, indexes of the T1 time-frequency resource unitsaccording to an ascending order of frequency are respectively T1consecutive non-negative integers; a difference obtained by subtractingan index of the third target unit from an index of any of the T2time-frequency resource units other than the third target unit is equalto a positive integral multiple of the frequency density of the thirdtarget signal.

In one subembodiment, indexes of the T1 time-frequency resource unitsaccording to an ascending order of frequency are respectively T1consecutive non-negative integers; an index of the third target unit isk₃, and the frequency density of the third target signal is K₃; an indexof an i-th time-frequency resource unit of the T2 time-frequencyresource units according to an ascending order of frequency is iK₃+k₃,i=0, 1 . . . , T2−1.

In one embodiment, the S1 is greater than 1, and the S2 is greater than1, indexes of the S1 time-frequency resource units according to anascending order of frequency are respectively S1 consecutivenon-negative integers; an absolute value of a difference between indexesof any two of the S2 time-frequency resource units is equal to apositive integral multiple of the frequency density of the second targetsignal.

In one embodiment, the S1 is greater than 1, and the S2 is greater than1, indexes of the S1 time-frequency resource units according to anascending order of frequency are respectively S1 consecutivenon-negative integers; an absolute value of a difference between indexesof any two adjacent time-frequency resource units of the S2time-frequency resource units is equal to the frequency density of thesecond target signal.

In one embodiment, the T1 is greater than 1, and the T2 is greater than1, indexes of the T1 time-frequency resource units according to anascending order of frequency are respectively T1 consecutivenon-negative integers; an absolute value of a difference between indexesof any two of the T2 time-frequency resource units is equal to apositive integral multiple of the frequency density of the third targetsignal.

In one embodiment, the T1 is greater than 1, and the T2 is greater than1, indexes of the T1 time-frequency resource units according to anascending order of frequency are respectively T1 consecutivenon-negative integers; an absolute value of a difference between indexesof any two adjacent time-frequency resource units of the T2time-frequency resource units is equal to the frequency density of thethird target signal.

In one embodiment, a fourth time-frequency resource block is one of theN time-frequency resource blocks of a lowest frequency, and a fourthtarget signal is a first-type reference signal of the N first-typereference signals that is transmitted in the fourth time-frequencyresource block; the fourth time-frequency resource block comprises W1time-frequency resource units, while time-frequency resources occupiedby the fourth target signal belong to only W2 time-frequency resourceunit(s) of the W1 time-frequency resource units; a number oftime-frequency resource units comprised in a fifth time-frequencyresource block and frequency density of the fourth target signal areused to determine the W2 time-frequency resource unit(s) out of the W1time-frequency resource units; W1 is a positive integer, and W2 is apositive integer no greater than the W1.

In one subembodiment, the fifth time-frequency resource block is thefourth time-frequency resource block.

In one subembodiment, the fifth time-frequency resource block is one ofthe N1 time-frequency resource blocks of a minimum bandwidth.

In one subembodiment, the target time-frequency resource block is one ofthe N1 time-frequency resource blocks of a minimum bandwidth, the fifthtime-frequency resource block being the target time-frequency resourceblock.

In one subembodiment, the frequency density of the fourth target signalis related to only the fifth time-frequency resource block of the N1time-frequency resource blocks.

In one subembodiment, bandwidth of the fifth time-frequency resourceblock is used to determine the frequency density of the fourth targetsignal out of the Q frequency densities, and the bandwidth of the fifthtime-frequency resource block belongs to only one value set of the Qvalue sets.

Embodiment 13

Embodiment 13 illustrates a schematic diagram of a given number and agiven frequency density being used to determine Z2 time-frequencyresource unit(s) out of Z1 time-frequency resource units, as shown inFIG. 13.

In Embodiment 13, the given number and the given frequency density areused to determine a first target unit out of the Z1 time-frequencyresource units; when the Z2 is equal to 1, a first target unit is the Z2time-frequency resource unit; when the Z2 is greater than 1, a firsttarget unit is one of the Z2 time-frequency resource units, and thefirst target unit and the given frequency density are used to determinethe Z2-1 time-frequency resource unit(s) of the Z2 time-frequencyresource units other than the first target unit out of the Z1time-frequency resource units; Z1 is a positive integer, and Z2 is apositive integer no greater than the M1. The given number corresponds toa number of the time-frequency resource units comprised in the targettime-frequency resource block in the present disclosure, while the givenfrequency density corresponds to the frequency density of the firsttarget signal in the present disclosure, the Z1 time-frequency resourceunits correspond to the M1 time-frequency resource units in the presentdisclosure, while the Z2 time-frequency resource unit(s)corresponds(correspond) to the M2 time-frequency resource unit(s) in thepresent disclosure; or, the given number corresponds to a number of thetime-frequency resource units comprised by the N1 time-frequencyresource blocks in the present disclosure, while the given frequencydensity corresponds to the frequency density of the first target signalin the present disclosure, the Z1 time-frequency resource unitscorrespond to the M1 time-frequency resource units in the presentdisclosure, while the Z2 time-frequency resource unit(s)corresponds(correspond) to the M2 time-frequency resource unit(s) in thepresent disclosure; or, the given number corresponds to a number of thetime-frequency resource units comprised by the fifth time-frequencyresource block in the present disclosure, while the given frequencydensity corresponds to the frequency density of the fourth radio signalin the present disclosure, the Z1 time-frequency resource unitscorrespond to W1 time-frequency resource units in the presentdisclosure, and the Z2 time-frequency resource unit(s)corresponds(correspond) to the W2 time-frequency resource unit(s) in thepresent disclosure.

In one embodiment, indexes of the Z1 time-frequency resource unitsaccording to an ascending order are respectively Z1 consecutivenon-negative integers.

In one embodiment, indexes of the Z1 time-frequency resource unitsaccording to an ascending order are respectively 0, 1 . . . , and Z1−1.

In one embodiment, the Z1 is greater than 1, and the Z2 is greater than1, the first target unit being one of the Z2 time-frequency resourceunits of a lowest frequency.

In one embodiment, the Z1 is greater than 1, and the Z2 is greater than1, the first target unit being one of the Z2 time-frequency resourceunits of a smallest index.

In one embodiment, a difference obtained by subtracting an index of thefirst target unit from an index of any of the Z2 time-frequency resourceunits other than the first target unit is equal to a positive integralmultiple of the given frequency density.

In one embodiment, an index of the first target unit is k_(ref) ^(RB),and the given frequency density is K_(PT-RS); an index of an i-thtime-frequency resource unit of the Z2 time-frequency resource unitsaccording to an ascending order of frequency is iK_(PT-RS)+k_(ref)^(RB), i=0, 1 . . . , Z2−1.

In one embodiment, a first remainder is a remainder yielded by the givennumber mod the given frequency density, and a first identifier is aRadio Network Temporary Identifier (RNTI) of the first signaling in thepresent disclosure; when the first remainder is equal to 0, an index ofthe first target unit is equal to a remainder yielded by the firstidentifier mod the given frequency density; or when the first remainderis unequal to 0, an index of the first target unit is equal to aremainder yielded by the first identifier mod the first remainder.

In one embodiment, an index of the first target unit is k_(ref) ^(RB),and the given frequency density is K_(PT-RS); the given number isN_(RB), and a first identifier is an RNTI of the first signaling in thepresent disclosure, the first identifier being n_(RNTI); when N_(RB) modK_(PT-RS)=0, k_(ref) ^(RB)=n_(RNTI) mod K_(PT-RS); otherwise, k_(ref)^(RB)=n_(RNTI) mod(N_(RB) mod K_(PT-RS)).

Embodiment 14

Embodiment 14 illustrates a schematic diagram of a given accessdetection being used to determine whether to transmit a radio signal ina given time-frequency resource in a given frequency sub-band; as shownin FIG. 14.

In Embodiment 14, the given access detection comprises performing Xenergy detection(s) respectively in X time sub-pool(s) on the givenfrequency sub-band, through which X detection value(s) is(are) obtained,X being a positive integer; an end time of the X time sub-pool(s) is nolater than a given time, and the given time is a start time of the giventime-frequency resource in the given frequency sub-band. The givenaccess detection corresponds to the target access detection in thepresent disclosure, the given frequency sub-band corresponds to thefirst frequency band in the present disclosure, and the giventime-frequency resource corresponds to the N time-frequency resourceblocks in the present disclosure; or, the given access detectioncorresponds to one of the N1 first-type access detections in the presentdisclosure, the given frequency sub-band corresponds to one of the N1frequency sub-bands in the present disclosure, and the giventime-frequency resource corresponds to one of the N1 time-frequencyresource blocks in the present disclosure. The process of the givenaccess detection can be depicted by a flowchart in FIG. 14.

In FIG. 14, the base station or the UE in the present disclosure is idlein step S1001, and determines whether there is need to transmit in stepS1002; performs energy detection in a defer duration in step S1003; anddetermines in step S1004 whether all slot durations within the deferduration are idle, if yes, move forward to step S1005 to set a firstcounter as X1, X1 being an integer no greater than the X; otherwise goback to step S1004; the base station or UE determines whether the firstcounter is 0 in step S1006, if yes, move forward to step S1007 toperform wireless transmission in a given time-frequency resource in thegiven frequency sub-band; otherwise, move forward to step S1008 toperform energy detection in an additional slot duration; and determinesin step S1009 whether the additional slot duration is idle, if yes, moveforward to step S1010 to reduce the first counter by 1 and then go backto step S1006; otherwise, move forward to step S1011 to perform energydetection in an additional defer duration; and determines in step S1012whether all slot durations within the additional defer duration areidle, if yes, move back to step S1010; otherwise, go back to step S1011.

In Embodiment 14, the first counter in FIG. 14 is cleared to 0 ahead ofthe given time, and the given access detection produces a result ofchannel idleness, then wireless transmission can be performed in a giventime-frequency resource in the given frequency sub-band; otherwise,transmitting a radio signal is dropped in the given time-frequencyresource in the given frequency sub-band. The condition for clearing thefirst counter is that each of X1 detection value(s) of the X detectionvalue(s) respectively corresponding to X1 of the X time sub-pool(s) islower than a first reference threshold; a start time for the X1 timesub-pool(s) is after the step S1005 in FIG. 14.

In one embodiment, the X time sub-pool(s) comprises(comprise) all deferdurations in FIG. 14.

In one embodiment, the X time sub-pool(s) comprises(comprise) part ofdefer durations in FIG. 14.

In one embodiment, the X time sub-pool(s) comprises(comprise) all deferdurations and all additional slot durations in FIG. 14.

In one embodiment, the X time sub-pool(s) comprises(comprise) all deferdurations and part of additional slot durations in FIG. 14.

In one embodiment, the X time sub-pool(s) comprises(comprise) all deferdurations, all additional slot durations and all additional deferdurations in FIG. 14.

In one embodiment, the X time sub-pool(s) comprises(comprise) all deferdurations, part of additional slot durations and all additional deferdurations in FIG. 14.

In one embodiment, the X time sub-pool(s) comprises(comprise) all deferdurations, part of additional slot durations and part of additionaldefer durations in FIG. 14.

In one embodiment, any of the X time sub-pool(s) lasts either 16 μs or 9μs.

In one embodiment, any slot duration within a given time duration refersto one of the X time sub-pool(s); the given time duration is anyduration among all defer durations, all additional slot durations andall additional defer durations in FIG. 14.

In one embodiment, performing energy detection within a given timeduration refers to performing energy detection in all slot durationswithin the given time duration; the given time duration is any durationamong all defer durations, all additional slot durations and alladditional defer durations in FIG. 14.

In one embodiment, a given time duration being determined as idlethrough energy detection means that all slot durations comprised in thegiven time duration are determined as idle through energy detection; thegiven time duration is any duration among all defer durations, alladditional slot durations and all additional defer durations in FIG. 14.

In one embodiment, a given slot duration being determined to be idlethrough energy detection means that the base station or the UE sensespower of all radio signals in a given time unit on the given frequencysub-band and averages in time, through which a received power obtainedis lower than the first reference threshold; the given time unit is aconsecutive duration in the given slot duration.

In one subembodiment of the above embodiment, the given time unit lastsno shorter than 4 μs.

In one embodiment, a given slot duration being determined to be idlethrough energy detection means that the base station or the UE sensesenergy of all radio signals in a given time unit on the given frequencysub-band and averages in time, through which a received energy obtainedis lower than the first reference threshold; the given time unit is aconsecutive duration in the given slot duration.

In one subembodiment of the above embodiment, the given time unit lastsno shorter than 4 μs.

In one embodiment, performing energy detection within a given timeduration refers to performing energy detection in each of timesub-pool(s) within the given time duration; the given time duration isany duration among all defer durations, all additional slot durationsand all additional defer durations in FIG. 14, each of the timesub-pool(s) belonging to the X time sub-pool(s).

In one embodiment, a given time duration being determined as idlethrough energy detection means that each of detection value(s) obtainedthrough energy detection on time sub-pool(s) comprised in the given timeduration is lower than the first reference threshold; the given timeduration is any duration among all defer durations, all additional slotdurations and all additional defer durations in FIG. 14, each of thetime sub-pool(s) belonging to the X time sub-pool(s), each of thedetection value(s) belonging to the X detection value(s).

In one embodiment, a defer duration lasts (16+Y1*9) μs, Y1 being apositive integer.

In one subembodiment of the above embodiment, a defer duration comprisesY1+1 time sub-pools of the X time sub-pools.

In one reference embodiment of the above subembodiment, a first timesub-pool of the Y1+1 time sub-pools lasts 16 μs, while each timesub-pool of the other Y1 time sub-pool(s) lasts 9 μs.

In one subembodiment, the given priority is used to determine the Y1.

In one reference embodiment of the above subembodiment, the givenpriority refers to Channel Access Priority Class, for the definition ofthe Channel Access Priority Class, refer to 3GPP TS36.213, section 15.

In one subembodiment, the Y1 is one among 1, 2, 3 and 7.

In one embodiment, a defer duration comprises multiple slot durations.

In one subembodiment, a first slot duration and a second slot durationof the multiple slot durations are non-consecutive.

In one subembodiment, a first slot duration and a second slot durationof the multiple slot durations are spaced by a time interval of 7 ms.

In one embodiment, an additional defer duration lasts (16+Y2*9) μs, Y2being a positive integer.

In one subembodiment of the above embodiment, an additional deferduration comprises Y2+1 time sub-pools of the X time sub-pools.

In one reference embodiment of the above subembodiment, a first timesub-pool of the Y2+1 time sub-pools lasts 16 μs, while each timesub-pool of the other Y2 time sub-pool(s) lasts 9 μs.

In one subembodiment, the given priority is used to determine the Y2.

In one subembodiment, the Y2 is one among 1, 2, 3 and 7.

In one embodiment, a defer duration lasts as long as an additional deferduration.

In one embodiment, the Y1 is equal to the Y2.

In one embodiment, an additional defer duration comprises multiple slotdurations.

In one subembodiment, a first slot duration and a second slot durationof the multiple slot durations are non-consecutive.

In one subembodiment, a first slot duration and a second slot durationof the multiple slot durations are spaced by a time interval of 7 ms.

In one embodiment, a slot duration lasts 9 μs.

In one embodiment, a slot duration is one of the X time sub-pool(s).

In one embodiment, an additional slot duration lasts 9 μs.

In one embodiment, an additional slot duration comprises one of the Xtime sub-pool(s).

In one embodiment, the X energy detection(s) is(are) used to determinewhether the given frequency sub-band is idle.

In one embodiment, the X energy detection(s) is(are) used to determinewhether the given frequency sub-band can be used by the base station orthe UE for transmitting a radio signal.

In one embodiment, each of the X detection value(s) is measured by dBm.

In one embodiment, each of the X detection value(s) is measured by mW.

In one embodiment, each of the X detection value(s) is measured by Joule(J).

In one embodiment, the X1 is less than the X.

In one embodiment, the X is greater than 1.

In one embodiment, the first reference threshold is measured by dBm.

In one embodiment, the first reference threshold is measured by mW.

In one embodiment, the first reference threshold is measured by J.

In one embodiment, the first reference threshold is equal to or lessthan −72 dBm.

In one embodiment, the first reference threshold is any value equal toor less than a first given value.

In one subembodiment of the above embodiment, the first given value ispre-defined.

In one subembodiment of the above embodiment, the first given value isconfigured by a higher-layer signaling.

In one embodiment, the first reference threshold is liberally selectedby the base station or the UE given that the first reference thresholdis equal to or less than a first given value.

In one subembodiment of the above embodiment, the first given value ispre-defined.

In one subembodiment of the above embodiment, the first given value isconfigured by a higher-layer signaling.

In one embodiment, the X energy detection(s) is(are) energy detection(s)in a process of Cat 4 LBT, and the X1 is CWp in the Cat 4 LBT process,the CWp referring to contention window size, and the detailed definitionof the CWp can be found in 3GPP TS36.213, section 15.

In one embodiment, at least one detection value of detection value(s)out of the X detection values not belonging to the X1 detection value(s)is lower than the first reference threshold.

In one embodiment, at least one detection value of detection value(s)out of the X detection values not belonging to the X1 detection value(s)is no lower than the first reference threshold.

In one embodiment, any two time sub-pools of the X1 time sub-pools areof equal duration.

In one embodiment, at least two of the X1 time sub-pools are of unequaldurations.

In one embodiment, the X1 time sub-pool(s) comprises(comprise) a lasttime sub-pool of the X time sub-pools.

In one embodiment, the X1 time sub-pool(s) comprises(comprise) only slotdurations in an eCCA.

In one embodiment, the X time sub-pools comprise the X1 time sub-pool(s)and the X2 time sub-pool(s), any of the X2 time sub-pool(s) notbelonging to the X1 time sub-pool(s); X2 is a positive integer nogreater than the X minus the X1.

In one subembodiment, the X2 time sub-pool(s) comprises(comprise) slotdurations in an initial CCA.

In one subembodiment, the X2 time sub-pools are consecutive among the Xtime sub-pools.

In one subembodiment, at least one time sub-pool of the X2 timesub-pool(s) corresponds to a detection value lower than the firstreference threshold.

In one subembodiment, at least one time sub-pool of the X2 timesub-pool(s) corresponds to a detection value no lower than the firstreference threshold.

In one subembodiment, the X2 time sub-pool(s) comprises(comprise) allslot durations within all defer durations.

In one subembodiment, the X2 time sub-pool(s) comprises(comprise) allslot durations within at least one additional defer duration.

In one subembodiment, the X2 time sub-pool(s) comprises(comprise) atleast one additional slot duration.

In one subembodiment, the X2 time sub-pool(s) comprises(comprise) allslot durations within all additional slot durations and all additionaldefer durations in FIG. 14 determined to be non-idle through energydetection.

In one subembodiment, the X1 time sub-pool(s) respectivelybelongs(belong) to X1 sub-pool set(s), and any of the X1 sub-pool set(s)comprises a positive integer number of time sub-pool(s) of the X timesub-pool(s); any time sub-pool comprised in the X1 sub-pool set(s)corresponds to a detection value lower than the first referencethreshold.

In one subembodiment, at least one sub-pool set of the X1 sub-poolset(s) comprises one time sub-pool.

In one subembodiment, at least one sub-pool set of the X1 sub-poolset(s) comprises more than one time sub-pool.

In one subembodiment, at least two sub-pool sets of the X1 sub-pool setscomprise unequal numbers of time sub-pools.

In one subembodiment, none of the X time sub-pools belongs to two of theX1 sub-pool sets at the same time.

In one subembodiment, each time sub-pool in any sub-pool set of the X1sub-pool sets belongs to a same additional defer duration or additionalslot duration determined to be idle through energy detection.

In one subembodiment, at least one of time sub-pool(s) of the X timesub-pools not belonging to the X1 sub-pool set(s) corresponds to adetection value lower than the first reference threshold.

In one subembodiment, at least one of time sub-pool(s) of the X timesub-pools not belonging to the X1 sub-pool set(s) corresponds to adetection value no lower than the first reference threshold.

Embodiment 15

Embodiment 15 illustrates another schematic diagram of a given accessdetection being used to determine whether to transmit a radio signal ina given time-frequency resource in a given frequency sub-band; as shownin FIG. 15.

In Embodiment 15, the given access detection comprises performing Xenergy detection(s) respectively in X time sub-pool(s) on the givenfrequency sub-band, through which X detection value(s) is(are) obtained,X being a positive integer; an end time of the X time sub-pool(s) is nolater than a given time, and the given time is a start time of the giventime-frequency resource in the given frequency sub-band. The givenaccess detection corresponds to the target access detection in thepresent disclosure, the given frequency sub-band corresponds to thefirst frequency band in the present disclosure, and the giventime-frequency resource corresponds to the N time-frequency resourceblocks in the present disclosure; or, the given access detectioncorresponds to one of the N1 first-type access detections in the presentdisclosure, the given frequency sub-band corresponds to one of the N1frequency sub-bands in the present disclosure, and the giventime-frequency resource corresponds to one of the N1 time-frequencyresource blocks in the present disclosure; or, the given accessdetection corresponds to one of the N1 second-type access detections inthe present disclosure, the given frequency sub-band corresponds to oneof the N1 frequency sub-bands in the present disclosure, and the giventime-frequency resource corresponds to one of the N1 time-frequencyresource blocks in the present disclosure. The process of the givenaccess detection can be depicted by a flowchart in FIG. 15.

In Embodiment 15, the UE in the present disclosure is idle in stepS2201, and determines whether there is need to transmit in step S2202;performs energy detection in a sensing interval in step S2203; anddetermines in step S2204 whether all slot durations within the sensinginterval are idle, if yes, move forward to step S2205 to transmit aradio signal in a given time-frequency resource in the given frequencysub-band; otherwise, go back to step S2203.

In Embodiment 15, a first given duration comprises a positive integernumber of time sub-pool(s) of the X time sub-pool(s), and the firstgiven duration is any duration in all sensing intervals comprised inFIG. 15. A second given duration comprises a time sub-pool of the X1time sub-pool(s), and the second given duration is a sensing interval inFIG. 15 determined to be idle through energy detection.

In one embodiment, the detailed definition of the sensing interval canbe found in 3GPP TS36.213, section 15.2.

In one embodiment, the X1 is equal to 2.

In one embodiment, the X1 is equal to the X.

In one embodiment, a sensing interval lasts 25 μs.

In one embodiment, a sensing interval comprises two slot durations, thetwo slot durations being non-consecutive in time domain.

In one subembodiment of the above embodiment, a time interval betweenthe two slot durations is 7 μs.

In one embodiment, the X time sub-pool(s) comprises(comprise) listeningtime in Category 2 LBT.

In one embodiment, the X time sub-pool(s) comprises(comprise) slotswithin a sensing interval in a Type 2 UL channel access procedure, forthe detailed definition of the sensing interval, refer to 3GPP TS36.213,section 15.2.

In one subembodiment of the above embodiment, the sensing interval lasts25 μs.

In one embodiment, the X time sub-pool(s) comprises(comprise) Tf and Tslwithin a sensing interval in a Type 2 UL channel access procedure, forthe detailed definition of the Tf and the Tsl, refer to 3GPP TS36.213,section 15.2.

In one subembodiment of the above embodiment, the Tf lasts 16 μs.

In one subembodiment of the above embodiment, the Tsl lasts 9 μs.

In one embodiment, a first time sub-pool of the X1 time sub-pools lasts16 μs, while a second time sub-pool of the X1 time sub-pools lasts 9 μs,the X1 being equal to 2.

In one embodiment, each of the X1 time sub-pools lasts 9 μs; a firsttime sub-pool and a second time sub-pool of the X1 time sub-pools arespaced by a time interval of 7 μs, the X1 being equal to 2.

Embodiment 16

Embodiment 16 illustrates a structure block diagram of a processingdevice in a UE, as shown in FIG. 16. In FIG. 16, a UE's processingdevice 1200 comprises a first receiver 1201 and a first transceiver1202.

In one embodiment, the first receiver 1201 comprises the receiver 456,the receiving processor 452, the first processor 441 and thecontroller/processor 490 in Embodiment 4.

In one embodiment, the first receiver 1201 comprises at least the firstthree of the receiver 456, the receiving processor 452, the firstprocessor 441 and the controller/processor 490 in Embodiment 4.

In one embodiment, the first receiver 1201 comprises at least the firsttwo of the receiver 456, the receiving processor 452, the firstprocessor 441 and the controller/processor 490 in Embodiment 4.

In one embodiment, the first transceiver 1202 comprises thetransmitter/receiver 456, the transmitting processor 455, the receivingprocessor 452, the first processor 441 and the controller/processor 490in Embodiment 4.

In one embodiment, the first transceiver 1202 comprises at least thefirst four of the transmitter/receiver 456, the transmitting processor455, the receiving processor 452, the first processor 441 and thecontroller/processor 490 in Embodiment 4.

In one embodiment, the first transceiver 1202 comprises at least thefirst three of the transmitter/receiver 456, the transmitting processor455, the receiving processor 452, the first processor 441 and thecontroller/processor 490 in Embodiment 4.

The first receiver 1201 receives a first signaling, the first signalingindicating N1 time-frequency resource blocks.

The first transceiver 1202 operates N radio signals respectively in Ntime-frequency resource blocks.

In Embodiment 16, the N1 time-frequency resource blocks respectivelybelong to N1 frequency sub-bands in frequency domain, any two frequencysub-bands of the N1 frequency sub-bands being orthogonal, N1 being apositive integer greater than 1; any time-frequency resource block ofthe N time-frequency resource blocks is one of the N1 time-frequencyresource blocks, N being a positive integer greater than 1 and nogreater than the N1; the N radio signals respectively comprise Nfirst-type reference signals, and an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport; a first target signal is any first-type reference signal of the Nfirst-type reference signals, and frequency density of the first targetsignal is related to only a target time-frequency resource block of theN1 time-frequency resource blocks, the target time-frequency resourceblock being one of the N1 time-frequency resource blocks; the operatingaction is transmitting, or, the operating action is receiving.

In one embodiment, the N radio signals respectively comprise NDemodulation Reference Signals (DMRSs), antenna ports for transmittingthe N first-type reference signals are the same, and antenna ports fortransmitting the N DMRSs are the same, the first antenna port being oneantenna port for transmitting the N DMRSs.

In one embodiment, the first receiver 1201 also receives firstinformation; herein, the first information is used to determine Mfrequency sub-bands, any frequency sub-band of the N1 frequencysub-bands being one of the M frequency sub-bands; M is a positiveinteger no less than the N1.

In one embodiment, the target time-frequency resource block is one ofthe N time-frequency resource blocks that comprises time-frequencyresources occupied by the first target signal, or, the targettime-frequency resource block is one of the N1 time-frequency resourceblocks that is of a minimum bandwidth.

In one embodiment, the first receiver 1201 also receives secondinformation; herein, the second information indicates Q1 threshold(s),the Q1 threshold(s) being used to determine Q value sets; the Q valuesets respectively correspond to Q frequency densities, Q1 being apositive integer, and Q being a positive integer greater than 1; abandwidth of the target time-frequency resource block is used todetermine the frequency density of the first target signal out of the Qfrequency densities, and the bandwidth of the target time-frequencyresource block belongs to only one value set of the Q value sets.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of time-frequency resource unit(s),and any two time-frequency resource units of the N1 time-frequencyresource blocks are orthogonal in frequency domain; a firsttime-frequency resource block is one of the N time-frequency resourceblocks that comprises time-frequency resources occupied by the firsttarget signal, and the first time-frequency resource block comprises M1time-frequency resource unit(s), and the time-frequency resourcesoccupied by the first target signal belong to only M2 time-frequencyresource unit(s) of the M1 time-frequency resource unit(s); a number ofthe time-frequency resource unit(s) comprised by the targettime-frequency resource block and the frequency density of the firsttarget signal are used to determine the M2 time-frequency resourceunit(s) out of the M1 time-frequency resource unit(s); M1 is a positiveinteger, and M2 is a positive integer no greater than the M1.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of time-frequency resource unit(s),and any two time-frequency resource units of the N1 time-frequencyresource blocks are orthogonal in frequency domain; the N is greaterthan 1, a second time-frequency resource block and a thirdtime-frequency resource block are any two time-frequency resource blocksof the N time-frequency resource blocks that are adjacent in frequencydomain, the third time-frequency resource block being of a higherfrequency than the second time-frequency resource block, and a secondtarget signal and a third target signal are two first-type referencesignals of the N first-type reference signals that are respectivelytransmitted in the second time-frequency resource block and the thirdtime-frequency resource block; the second time-frequency resource blockcomprises S1 time-frequency resource units, while the time-frequencyresources occupied by the second target signal belong to only S2time-frequency resource units of the S1 time-frequency resource units;the third time-frequency resource block comprises T1 time-frequencyresource unit(s), while the time-frequency resource block occupied bythe third target signal belongs to only T2 time-frequency resourceunit(s) of the T1 time-frequency resource unit(s); one of the S2time-frequency resource units of a highest frequency and frequencydensity of the third target signal are used to determine the T2time-frequency resource unit(s) out of the T1 time-frequency resourceunit(s).

In one embodiment, the first receiver 1201 performs a target accessdetection on a first frequency band, or, performs N1 first-type accessdetections respectively on the N1 frequency sub-bands; herein, theoperating action is transmitting, and the first frequency band comprisesthe N1 frequency sub-bands, the target access detection is used todetermine that the N radio signals are respectively transmitted in the Ntime-frequency resource blocks, and the N1 first-type access detectionsare used to determine that the N radio signals are respectivelytransmitted in the N time-frequency resource blocks.

Embodiment 17

Embodiment 17 illustrates a structure block diagram of a processingdevice in a base station, as shown in FIG. 17. In FIG. 17, a basestation's processing device 1300 comprises a second transmitter 1301 anda second transceiver 1302.

In one embodiment, the second transmitter 1301 comprises the transmitter416, the transmitting processor 415, the first processor 471 and thecontroller/processor 440 in Embodiment 4.

In one embodiment, the second transmitter 1301 comprises at least thefirst three of the transmitter 416, the transmitting processor 415, thefirst processor 471 and the controller/processor 440 in Embodiment 4.

In one embodiment, the second transmitter 1301 comprises at least thefirst two of the transmitter 416, the transmitting processor 415, thefirst processor 471 and the controller/processor 440 in Embodiment 4.

In one embodiment, the second transceiver 1302 comprises thetransmitter/receiver 416, the receiving processor 412, the transmittingprocessor 415, the first processor 471 and the controller/processor 440in Embodiment 4.

In one embodiment, the second transceiver 1302 comprises at least thefirst four of the transmitter/receiver 416, the receiving processor 412,the transmitting processor 415, the first processor 471 and thecontroller/processor 440 in Embodiment 4.

In one embodiment, the second transceiver 1302 comprises at least thefirst three of the transmitter/receiver 416, the receiving processor412, the transmitting processor 415, the first processor 471 and thecontroller/processor 440 in Embodiment 4.

The second transmitter 1301 transmits a first signaling, the firstsignaling indicating N1 time-frequency resource blocks.

The second transceiver 1302 processes N radio signals respectively in Ntime-frequency resource blocks.

In Embodiment 17, the N1 time-frequency resource blocks respectivelybelong to N1 frequency sub-bands in frequency domain, any two frequencysub-bands of the N1 frequency sub-bands being orthogonal, N1 being apositive integer greater than 1; any time-frequency resource block ofthe N time-frequency resource blocks is one of the N1 time-frequencyresource blocks, N being a positive integer greater than 1 and nogreater than the N1; the N radio signals respectively comprise Nfirst-type reference signals, and an antenna port for transmitting eachof the N first-type reference signals is associated with a first antennaport; a first target signal is any first-type reference signal of the Nfirst-type reference signals, and frequency density of the first targetsignal is related to only a target time-frequency resource block of theN1 time-frequency resource blocks, the target time-frequency resourceblock being one of the N1 time-frequency resource blocks; the processingaction is receiving, or, the processing action is transmitting.

In one embodiment, the N radio signals respectively comprise NDemodulation Reference Signals (DMRSs), antenna ports for transmittingthe N first-type reference signals are the same, and antenna ports fortransmitting the N DMRSs are the same, the first antenna port being oneantenna port for transmitting the N DMRSs.

In one embodiment, the second transmitter 1301 also transmits firstinformation; herein, the first information is used to determine Mfrequency sub-bands, any frequency sub-band of the N1 frequencysub-bands being one of the M frequency sub-bands; M is a positiveinteger no less than the N1.

In one embodiment, the target time-frequency resource block is one ofthe N time-frequency resource blocks that comprises time-frequencyresources occupied by the first target signal, or, the targettime-frequency resource block is one of the N1 time-frequency resourceblocks that is of a minimum bandwidth.

In one embodiment, the second transmitter 1301 also transmits secondinformation; herein, the second information indicates Q1 threshold(s),the Q1 threshold(s) being used to determine Q value sets; the Q valuesets respectively correspond to Q frequency densities, Q1 being apositive integer, and Q being a positive integer greater than 1; abandwidth of the target time-frequency resource block is used todetermine the frequency density of the first target signal out of the Qfrequency densities, and the bandwidth of the target time-frequencyresource block belongs to only one value set of the Q value sets.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of time-frequency resource unit(s),and any two time-frequency resource units of the N1 time-frequencyresource blocks are orthogonal in frequency domain; a firsttime-frequency resource block is one of the N time-frequency resourceblocks that comprises time-frequency resources occupied by the firsttarget signal, and the first time-frequency resource block comprises M1time-frequency resource unit(s), and the time-frequency resourcesoccupied by the first target signal belong to only M2 time-frequencyresource unit(s) of the M1 time-frequency resource unit(s); a number ofthe time-frequency resource unit(s) comprised by the targettime-frequency resource block and the frequency density of the firsttarget signal are used to determine the M2 time-frequency resourceunit(s) out of the M1 time-frequency resource unit(s); M1 is a positiveinteger, and M2 is a positive integer no greater than the M1.

In one embodiment, any of the N1 time-frequency resource blockscomprises a positive integer number of time-frequency resource unit(s),and any two time-frequency resource units of the N1 time-frequencyresource blocks are orthogonal in frequency domain; the N is greaterthan 1, a second time-frequency resource block and a thirdtime-frequency resource block are any two time-frequency resource blocksof the N time-frequency resource blocks that are adjacent in frequencydomain, the third time-frequency resource block being of a higherfrequency than the second time-frequency resource block, and a secondtarget signal and a third target signal are two first-type referencesignals of the N first-type reference signals that are respectivelytransmitted in the second time-frequency resource block and the thirdtime-frequency resource block; the second time-frequency resource blockcomprises S1 time-frequency resource units, while the time-frequencyresources occupied by the second target signal belong to only S2time-frequency resource units of the S1 time-frequency resource units;the third time-frequency resource block comprises T1 time-frequencyresource unit(s), while the time-frequency resource block occupied bythe third target signal belongs to only T2 time-frequency resourceunit(s) of the T1 time-frequency resource unit(s); one of the S2time-frequency resource units of a highest frequency and frequencydensity of the third target signal are used to determine the T2time-frequency resource unit(s) out of the T1 time-frequency resourceunit(s).

In one embodiment, the second transceiver 1302 also performs N1second-type access detections respectively on the N1 frequencysub-bands; herein, the processing action is transmitting, and the N1second-type access detections are used to determine that the N radiosignals are respectively transmitted in the N time-frequency resourceblocks.

The ordinary skill in the art may understand that all or part of stepsin the above method may be implemented by instructing related hardwarethrough a program. The program may be stored in a computer readablestorage medium, for example Read-Only-Memory (ROM), hard disk or compactdisc, etc. Optionally, all or part of steps in the above embodimentsalso may be implemented by one or more integrated circuits.Correspondingly, each module unit in the above embodiment may berealized in the form of hardware, or in the form of software functionmodules. The present disclosure is not limited to any combination ofhardware and software in specific forms. The UE or terminal includes butis not limited to unmanned aerial vehicles, communication modules onunmanned aerial vehicles, telecontrolled aircrafts, aircrafts,diminutive airplanes, mobile phones, tablet computers, notebooks,vehicle-mounted communication equipment, wireless sensor, network cards,terminals for Internet of Things (IOT), RFID terminals, NB-IOTterminals, Machine Type Communication (MTC) terminals, enhanced MTC(eMTC) terminals, data cards, low-cost mobile phones, low-cost tabletcomputers, etc. The base station or system equipment in the presentdisclosure includes but is not limited to macro-cellular base stations,micro-cellular base stations, home base stations, relay base station,gNB (NR node B), Transmitter Receiver Point (TRP), and other radiocommunication equipment.

The above are merely the preferred embodiments of the present disclosureand are not intended to limit the scope of protection of the presentdisclosure. Any modification, equivalent substitute and improvement madewithin the spirit and principle of the present disclosure are intendedto be included within the scope of protection of the present disclosure.

What is claimed is:
 1. A User Equipment (UE) for wirelesscommunications, comprising: a first receiver, which receives a firstsignaling, the first signaling indicating N1 time-frequency resourceblocks; and a first transceiver, which operates N radio signalsrespectively in N time-frequency resource blocks; wherein the N1time-frequency resource blocks respectively belong to N1 frequencysub-bands in frequency domain, any two frequency sub-bands of the N1frequency sub-bands being orthogonal, N1 being a positive integergreater than 1; any time-frequency resource block of the Ntime-frequency resource blocks is one of the N1 time-frequency resourceblocks, N being a positive integer greater than 1 and no greater thanthe N1; the N radio signals respectively comprise N first-type referencesignals, and an antenna port for transmitting each of the N first-typereference signals is associated with a first antenna port; a firsttarget signal is any first-type reference signal of the N first-typereference signals, and frequency density of the first target signal isrelated to only a target time-frequency resource block of the N1time-frequency resource blocks, the target time-frequency resource blockbeing one of the N1 time-frequency resource blocks; the operating actionis transmitting, or, the operating action is receiving.
 2. The UEaccording to claim 1, wherein the N radio signals respectively compriseN sub-signals, and the N sub-signals respectively comprise Ntransmissions of a first bit block; or, the N radio signals respectivelycomprise N Demodulation Reference Signals (DMRSs), antenna ports fortransmitting the N first-type reference signals are the same, andantenna ports for transmitting the N DMRSs are the same, the firstantenna port being one antenna port for transmitting the N DMRSs.
 3. TheUE according to claim 1, wherein the first receiver also receives firstinformation; wherein the first information is used to determine Mfrequency sub-bands, any frequency sub-band of the N1 frequencysub-bands being one of the M frequency sub-bands; M is a positiveinteger no less than the N1; or, the first receiver also receives secondinformation; wherein the second information indicates Q1 threshold(s),the Q1 threshold(s) being used to determine Q value sets; the Q valuesets respectively correspond to Q frequency densities, Q1 being apositive integer, and Q being a positive integer greater than 1; abandwidth of the target time-frequency resource block is used todetermine the frequency density of the first target signal out of the Qfrequency densities, and the bandwidth of the target time-frequencyresource block belongs to only one value set of the Q value sets.
 4. TheUE according to claim 1, wherein the target time-frequency resourceblock is one of the N time-frequency resource blocks that comprisestime-frequency resources occupied by the first target signal, or, thetarget time-frequency resource block is one of the N1 time-frequencyresource blocks that is of a minimum bandwidth.
 5. The UE according toclaim 1, wherein any of the N1 time-frequency resource blocks comprisesa positive integer number of time-frequency resource unit(s), and anytwo time-frequency resource units of the N1 time-frequency resourceblocks are orthogonal in frequency domain; a first time-frequencyresource block is one of the N time-frequency resource blocks thatcomprises time-frequency resources occupied by the first target signal,and the first time-frequency resource block comprises M1 time-frequencyresource unit(s), and the time-frequency resources occupied by the firsttarget signal belong to only M2 time-frequency resource unit(s) of theM1 time-frequency resource unit(s); a number of the time-frequencyresource unit(s) comprised by the target time-frequency resource blockand the frequency density of the first target signal are used todetermine the M2 time-frequency resource unit(s) out of the M1time-frequency resource unit(s); M1 is a positive integer, and M2 is apositive integer no greater than the M1.
 6. The UE according to claim 1,wherein any of the N1 time-frequency resource blocks comprises apositive integer number of time-frequency resource unit(s), and any twotime-frequency resource units of the N1 time-frequency resource blocksare orthogonal in frequency domain; the N is greater than 1, a secondtime-frequency resource block and a third time-frequency resource blockare any two time-frequency resource blocks of the N time-frequencyresource blocks that are adjacent in frequency domain, the thirdtime-frequency resource block being of a higher frequency than thesecond time-frequency resource block, and a second target signal and athird target signal are two first-type reference signals of the Nfirst-type reference signals that are respectively transmitted in thesecond time-frequency resource block and the third time-frequencyresource block; the second time-frequency resource block comprises S1time-frequency resource units, while the time-frequency resourcesoccupied by the second target signal belong to only S2 time-frequencyresource units of the S1 time-frequency resource units; the thirdtime-frequency resource block comprises T1 time-frequency resourceunit(s), while the time-frequency resource block occupied by the thirdtarget signal belongs to only T2 time-frequency resource unit(s) of theT1 time-frequency resource unit(s); one of the S2 time-frequencyresource units of a highest frequency and frequency density of the thirdtarget signal are used to determine the T2 time-frequency resourceunit(s) out of the T1 time-frequency resource unit(s).
 7. The UEaccording to claim 1, wherein the first receiver performs a targetaccess detection on a first frequency band, or, performs N1 first-typeaccess detections respectively on the N1 frequency sub-bands; whereinthe operating action is transmitting, and the first frequency bandcomprises the N1 frequency sub-bands, the target access detection isused to determine that the N radio signals are respectively transmittedin the N time-frequency resource blocks, and the N1 first-type accessdetections are used to determine that the N radio signals arerespectively transmitted in the N time-frequency resource blocks.
 8. Abase station for wireless communications, comprising: a secondtransmitter, which transmits a first signaling, the first signalingindicating N1 time-frequency resource blocks; and a second transceiver,which processes N radio signals respectively in N time-frequencyresource blocks; wherein the N1 time-frequency resource blocksrespectively belong to N1 frequency sub-bands in frequency domain, anytwo frequency sub-bands of the N1 frequency sub-bands being orthogonal,N1 being a positive integer greater than 1; any time-frequency resourceblock of the N time-frequency resource blocks is one of the N1time-frequency resource blocks, N being a positive integer greater than1 and no greater than the N1; the N radio signals respectively compriseN first-type reference signals, and an antenna port for transmittingeach of the N first-type reference signals is associated with a firstantenna port; a first target signal is any first-type reference signalof the N first-type reference signals, and frequency density of thefirst target signal is related to only a target time-frequency resourceblock of the N1 time-frequency resource blocks, the targettime-frequency resource block being one of the N1 time-frequencyresource blocks; the processing action is receiving, or, the processingaction is transmitting.
 9. The base station according to claim 8,wherein the N radio signals respectively comprise N sub-signals, and theN sub-signals respectively comprise N transmissions of a first bitblock; or, the N radio signals respectively comprise N DemodulationReference Signals (DMRSs), antenna ports for transmitting the Nfirst-type reference signals are the same, and antenna ports fortransmitting the N DMRSs are the same, the first antenna port being oneantenna port for transmitting the N DMRSs.
 10. The base stationaccording to claim 8, wherein the second transmitter also transmitsfirst information; wherein the first information is used to determine Mfrequency sub-bands, any frequency sub-band of the N1 frequencysub-bands being one of the M frequency sub-bands; M is a positiveinteger no less than the N1; or, the second transmitter also transmitssecond information; wherein the second information indicates Q1threshold(s), the Q1 threshold(s) being used to determine Q value sets;the Q value sets respectively correspond to Q frequency densities, Q1being a positive integer, and Q being a positive integer greater than 1;a bandwidth of the target time-frequency resource block is used todetermine the frequency density of the first target signal out of the Qfrequency densities, and the bandwidth of the target time-frequencyresource block belongs to only one value set of the Q value sets. 11.The base station according to claim 8, wherein the target time-frequencyresource block is one of the N time-frequency resource blocks thatcomprises time-frequency resources occupied by the first target signal,or, the target time-frequency resource block is one of the N1time-frequency resource blocks that is of a minimum bandwidth.
 12. Thebase station according to claim 8, wherein any of the N1 time-frequencyresource blocks comprises a positive integer number of time-frequencyresource unit(s), and any two time-frequency resource units of the N1time-frequency resource blocks are orthogonal in frequency domain; afirst time-frequency resource block is one of the N time-frequencyresource blocks that comprises time-frequency resources occupied by thefirst target signal, and the first time-frequency resource blockcomprises M1 time-frequency resource unit(s), and the time-frequencyresources occupied by the first target signal belong to only M2time-frequency resource unit(s) of the M1 time-frequency resourceunit(s); a number of the time-frequency resource unit(s) comprised bythe target time-frequency resource block and the frequency density ofthe first target signal are used to determine the M2 time-frequencyresource unit(s) out of the M1 time-frequency resource unit(s); M1 is apositive integer, and M2 is a positive integer no greater than the M1.13. The base station according to claim 8, wherein any of the N1time-frequency resource blocks comprises a positive integer number oftime-frequency resource unit(s), and any two time-frequency resourceunits of the N1 time-frequency resource blocks are orthogonal infrequency domain; the N is greater than 1, a second time-frequencyresource block and a third time-frequency resource block are any twotime-frequency resource blocks of the N time-frequency resource blocksthat are adjacent in frequency domain, the third time-frequency resourceblock being of a higher frequency than the second time-frequencyresource block, and a second target signal and a third target signal aretwo first-type reference signals of the N first-type reference signalsthat are respectively transmitted in the second time-frequency resourceblock and the third time-frequency resource block; the secondtime-frequency resource block comprises S1 time-frequency resourceunits, while the time-frequency resources occupied by the second targetsignal belong to only S2 time-frequency resource units of the S1time-frequency resource units; the third time-frequency resource blockcomprises T1 time-frequency resource unit(s), while the time-frequencyresource block occupied by the third target signal belongs to only T2time-frequency resource unit(s) of the T1 time-frequency resourceunit(s); one of the S2 time-frequency resource units of a highestfrequency and frequency density of the third target signal are used todetermine the T2 time-frequency resource unit(s) out of the T1time-frequency resource unit(s).
 14. The base station according to claim8, wherein the second transceiver performs N1 second-type accessdetections respectively on the N1 frequency sub-bands; wherein theprocessing action is transmitting, and the N1 second-type accessdetections are used to determine that the N radio signals arerespectively transmitted in the N time-frequency resource blocks.
 15. Amethod in a UE for wireless communications, comprising: receiving afirst signaling, the first signaling indicating N1 time-frequencyresource blocks; and operating N radio signals respectively in Ntime-frequency resource blocks; wherein the N1 time-frequency resourceblocks respectively belong to N1 frequency sub-bands in frequencydomain, any two frequency sub-bands of the N1 frequency sub-bands beingorthogonal, N1 being a positive integer greater than 1; anytime-frequency resource block of the N time-frequency resource blocks isone of the N1 time-frequency resource blocks, N being a positive integergreater than 1 and no greater than the N1; the N radio signalsrespectively comprise N first-type reference signals, and an antennaport for transmitting each of the N first-type reference signals isassociated with a first antenna port; a first target signal is anyfirst-type reference signal of the N first-type reference signals, andfrequency density of the first target signal is related to only a targettime-frequency resource block of the N1 time-frequency resource blocks,the target time-frequency resource block being one of the N1time-frequency resource blocks; the operating action is transmitting,or, the operating action is receiving.
 16. The method according to claim15, wherein the N radio signals respectively comprise N sub-signals, andthe N sub-signals respectively comprise N transmissions of a first bitblock; or, the N radio signals respectively comprise N DemodulationReference Signals (DMRSs), antenna ports for transmitting the Nfirst-type reference signals are the same, and antenna ports fortransmitting the N DMRSs are the same, the first antenna port being oneantenna port for transmitting the N DMRSs.
 17. The method according toclaim 15, comprising: receiving first information; wherein the firstinformation is used to determine M frequency sub-bands, any frequencysub-band of the N1 frequency sub-bands being one of the M frequencysub-bands; M is a positive integer no less than the N1; or, receivingsecond information; wherein the second information indicates Q1threshold(s), the Q1 threshold(s) being used to determine Q value sets;the Q value sets respectively correspond to Q frequency densities, Q1being a positive integer, and Q being a positive integer greater than 1;a bandwidth of the target time-frequency resource block is used todetermine the frequency density of the first target signal out of the Qfrequency densities, and the bandwidth of the target time-frequencyresource block belongs to only one value set of the Q value sets; or,performing a target access detection on a first frequency band, or,performing N1 first-type access detections respectively on the N1frequency sub-bands; wherein the operating action is transmitting, andthe first frequency band comprises the N1 frequency sub-bands, thetarget access detection is used to determine that the N radio signalsare respectively transmitted in the N time-frequency resource blocks,and the N1 first-type access detections are used to determine that the Nradio signals are respectively transmitted in the N time-frequencyresource blocks.
 18. The method according to claim 15, wherein thetarget time-frequency resource block is one of the N time-frequencyresource blocks that comprises time-frequency resources occupied by thefirst target signal, or, the target time-frequency resource block is oneof the N1 time-frequency resource blocks that is of a minimum bandwidth.19. The method according to claim 15, wherein any of the N1time-frequency resource blocks comprises a positive integer number oftime-frequency resource unit(s), and any two time-frequency resourceunits of the N1 time-frequency resource blocks are orthogonal infrequency domain; a first time-frequency resource block is one of the Ntime-frequency resource blocks that comprises time-frequency resourcesoccupied by the first target signal, and the first time-frequencyresource block comprises M1 time-frequency resource unit(s), and thetime-frequency resources occupied by the first target signal belong toonly M2 time-frequency resource unit(s) of the M1 time-frequencyresource unit(s); a number of the time-frequency resource unit(s)comprised by the target time-frequency resource block and the frequencydensity of the first target signal are used to determine the M2time-frequency resource unit(s) out of the M1 time-frequency resourceunit(s); M1 is a positive integer, and M2 is a positive integer nogreater than the M1.
 20. The method according to claim 15, wherein anyof the N1 time-frequency resource blocks comprises a positive integernumber of time-frequency resource unit(s), and any two time-frequencyresource units of the N1 time-frequency resource blocks are orthogonalin frequency domain; the N is greater than 1, a second time-frequencyresource block and a third time-frequency resource block are any twotime-frequency resource blocks of the N time-frequency resource blocksthat are adjacent in frequency domain, the third time-frequency resourceblock being of a higher frequency than the second time-frequencyresource block, and a second target signal and a third target signal aretwo first-type reference signals of the N first-type reference signalsthat are respectively transmitted in the second time-frequency resourceblock and the third time-frequency resource block; the secondtime-frequency resource block comprises S1 time-frequency resourceunits, while the time-frequency resources occupied by the second targetsignal belong to only S2 time-frequency resource units of the S1time-frequency resource units; the third time-frequency resource blockcomprises T1 time-frequency resource unit(s), while the time-frequencyresource block occupied by the third target signal belongs to only T2time-frequency resource unit(s) of the T1 time-frequency resourceunit(s); one of the S2 time-frequency resource units of a highestfrequency and frequency density of the third target signal are used todetermine the T2 time-frequency resource unit(s) out of the T1time-frequency resource unit(s).